20260551200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{3259}}^1$

素因数の和:3707

約数の個数: 144

約数和(自身を含む): 52207596000

約数和(自身を除く): 31947044800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 409, 475, 608, 760, 800, 818, 950, 1520, 1636, 1900, 2045, 3040, 3259, 3272, 3800, 4090, 6518, 6544, 7600, 7771, 8180, 10225, 13036, 13088, 15200, 15542, 16295, 16360, 20450, 26072, 31084, 32590, 32720, 38855, 40900, 52144, 61921, 62168, 65180, 65440, 77710, 81475, 81800, 104288, 123842, 124336, 130360, 155420, 162950, 163600, 194275, 247684, 248672, 260720, 309605, 310840, 325900, 327200, 388550, 495368, 521440, 619210, 621680, 651800, 777100, 990736, 1238420, 1243360, 1303600, 1332931, 1548025, 1554200, 1981472, 2476840, 2607200, 2665862, 3096050, 3108400, 4953680, 5331724, 6192100, 6216800, 6664655, 9907360, 10663448, 12384200, 13329310, 21326896, 24768400, 25325689, 26658620, 33323275, 42653792, 49536800, 50651378, 53317240, 66646550, 101302756, 106634480, 126628445, 133293100, 202605512, 213268960, 253256890, 266586200, 405211024, 506513780, 533172400, 633142225, 810422048, 1013027560, 1066344800, 1266284450, 2026055120, 2532568900, 4052110240, 5065137800, 10130275600, 20260551200]

約数ペア:

[(1, 20260551200), (2, 10130275600), (4, 5065137800), (5, 4052110240), (8, 2532568900), (10, 2026055120), (16, 1266284450), (19, 1066344800), (20, 1013027560), (25, 810422048), (32, 633142225), (38, 533172400), (40, 506513780), (50, 405211024), (76, 266586200), (80, 253256890), (95, 213268960), (100, 202605512), (152, 133293100), (160, 126628445), (190, 106634480), (200, 101302756), (304, 66646550), (380, 53317240), (400, 50651378), (409, 49536800), (475, 42653792), (608, 33323275), (760, 26658620), (800, 25325689), (818, 24768400), (950, 21326896), (1520, 13329310), (1636, 12384200), (1900, 10663448), (2045, 9907360), (3040, 6664655), (3259, 6216800), (3272, 6192100), (3800, 5331724), (4090, 4953680), (6518, 3108400), (6544, 3096050), (7600, 2665862), (7771, 2607200), (8180, 2476840), (10225, 1981472), (13036, 1554200), (13088, 1548025), (15200, 1332931), (15542, 1303600), (16295, 1243360), (16360, 1238420), (20450, 990736), (26072, 777100), (31084, 651800), (32590, 621680), (32720, 619210), (38855, 521440), (40900, 495368), (52144, 388550), (61921, 327200), (62168, 325900), (65180, 310840), (65440, 309605), (77710, 260720), (81475, 248672), (81800, 247684), (104288, 194275), (123842, 163600), (124336, 162950), (130360, 155420)]