12775600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:119

約数の個数: 90

約数和(自身を含む): 33116060

約数和(自身を除く): 20340460

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 41, 50, 76, 80, 82, 95, 100, 152, 164, 190, 200, 205, 304, 328, 380, 400, 410, 475, 656, 760, 779, 820, 950, 1025, 1520, 1558, 1640, 1681, 1900, 2050, 3116, 3280, 3362, 3800, 3895, 4100, 6232, 6724, 7600, 7790, 8200, 8405, 12464, 13448, 15580, 16400, 16810, 19475, 26896, 31160, 31939, 33620, 38950, 42025, 62320, 63878, 67240, 77900, 84050, 127756, 134480, 155800, 159695, 168100, 255512, 311600, 319390, 336200, 511024, 638780, 672400, 798475, 1277560, 1596950, 2555120, 3193900, 6387800, 12775600]

約数ペア:

[(1, 12775600), (2, 6387800), (4, 3193900), (5, 2555120), (8, 1596950), (10, 1277560), (16, 798475), (19, 672400), (20, 638780), (25, 511024), (38, 336200), (40, 319390), (41, 311600), (50, 255512), (76, 168100), (80, 159695), (82, 155800), (95, 134480), (100, 127756), (152, 84050), (164, 77900), (190, 67240), (200, 63878), (205, 62320), (304, 42025), (328, 38950), (380, 33620), (400, 31939), (410, 31160), (475, 26896), (656, 19475), (760, 16810), (779, 16400), (820, 15580), (950, 13448), (1025, 12464), (1520, 8405), (1558, 8200), (1640, 7790), (1681, 7600), (1900, 6724), (2050, 6232), (3116, 4100), (3280, 3895), (3362, 3800)]