71976440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9421}}^1$

素因数の和:9623

約数の個数: 32

約数和(自身を含む): 162812160

約数和(自身を除く): 90835720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 9421, 18842, 37684, 47105, 75368, 94210, 188420, 376840, 1799411, 3598822, 7197644, 8997055, 14395288, 17994110, 35988220, 71976440]

約数ペア:

[(1, 71976440), (2, 35988220), (4, 17994110), (5, 14395288), (8, 8997055), (10, 7197644), (20, 3598822), (40, 1799411), (191, 376840), (382, 188420), (764, 94210), (955, 75368), (1528, 47105), (1910, 37684), (3820, 18842), (7640, 9421)]