8215600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 120

約数和(自身を含む): 22141440

約数和(自身を除く): 13925840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 47, 50, 76, 80, 92, 94, 95, 100, 115, 152, 184, 188, 190, 200, 230, 235, 304, 368, 376, 380, 400, 437, 460, 470, 475, 575, 752, 760, 874, 893, 920, 940, 950, 1081, 1150, 1175, 1520, 1748, 1786, 1840, 1880, 1900, 2162, 2185, 2300, 2350, 3496, 3572, 3760, 3800, 4324, 4370, 4465, 4600, 4700, 5405, 6992, 7144, 7600, 8648, 8740, 8930, 9200, 9400, 10810, 10925, 14288, 17296, 17480, 17860, 18800, 20539, 21620, 21850, 22325, 27025, 34960, 35720, 41078, 43240, 43700, 44650, 54050, 71440, 82156, 86480, 87400, 89300, 102695, 108100, 164312, 174800, 178600, 205390, 216200, 328624, 357200, 410780, 432400, 513475, 821560, 1026950, 1643120, 2053900, 4107800, 8215600]

約数ペア:

[(1, 8215600), (2, 4107800), (4, 2053900), (5, 1643120), (8, 1026950), (10, 821560), (16, 513475), (19, 432400), (20, 410780), (23, 357200), (25, 328624), (38, 216200), (40, 205390), (46, 178600), (47, 174800), (50, 164312), (76, 108100), (80, 102695), (92, 89300), (94, 87400), (95, 86480), (100, 82156), (115, 71440), (152, 54050), (184, 44650), (188, 43700), (190, 43240), (200, 41078), (230, 35720), (235, 34960), (304, 27025), (368, 22325), (376, 21850), (380, 21620), (400, 20539), (437, 18800), (460, 17860), (470, 17480), (475, 17296), (575, 14288), (752, 10925), (760, 10810), (874, 9400), (893, 9200), (920, 8930), (940, 8740), (950, 8648), (1081, 7600), (1150, 7144), (1175, 6992), (1520, 5405), (1748, 4700), (1786, 4600), (1840, 4465), (1880, 4370), (1900, 4324), (2162, 3800), (2185, 3760), (2300, 3572), (2350, 3496)]