56696440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 75391880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 181, 191, 205, 328, 362, 382, 410, 724, 764, 820, 905, 955, 1448, 1528, 1640, 1810, 1910, 3620, 3820, 7240, 7421, 7640, 7831, 14842, 15662, 29684, 31324, 34571, 37105, 39155, 59368, 62648, 69142, 74210, 78310, 138284, 148420, 156620, 172855, 276568, 296840, 313240, 345710, 691420, 1382840, 1417411, 2834822, 5669644, 7087055, 11339288, 14174110, 28348220, 56696440]

約数ペア:

[(1, 56696440), (2, 28348220), (4, 14174110), (5, 11339288), (8, 7087055), (10, 5669644), (20, 2834822), (40, 1417411), (41, 1382840), (82, 691420), (164, 345710), (181, 313240), (191, 296840), (205, 276568), (328, 172855), (362, 156620), (382, 148420), (410, 138284), (724, 78310), (764, 74210), (820, 69142), (905, 62648), (955, 59368), (1448, 39155), (1528, 37105), (1640, 34571), (1810, 31324), (1910, 29684), (3620, 15662), (3820, 14842), (7240, 7831), (7421, 7640)]