2555120

素因数分解:

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

素因数の和:114

約数の個数: 60

約数和(自身を含む): 6409560

約数和(自身を除く): 3854440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1520, 1558, 1640, 1681, 3116, 3280, 3362, 3895, 6232, 6724, 7790, 8405, 12464, 13448, 15580, 16810, 26896, 31160, 31939, 33620, 62320, 63878, 67240, 127756, 134480, 159695, 255512, 319390, 511024, 638780, 1277560, 2555120]

約数ペア:

[(1, 2555120), (2, 1277560), (4, 638780), (5, 511024), (8, 319390), (10, 255512), (16, 159695), (19, 134480), (20, 127756), (38, 67240), (40, 63878), (41, 62320), (76, 33620), (80, 31939), (82, 31160), (95, 26896), (152, 16810), (164, 15580), (190, 13448), (205, 12464), (304, 8405), (328, 7790), (380, 6724), (410, 6232), (656, 3895), (760, 3362), (779, 3280), (820, 3116), (1520, 1681), (1558, 1640)]