129806440

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{11467}}^1$

素因数の和:11761

約数の個数: 32

約数和(自身を含む): 293122080

約数和(自身を除く): 163315640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 11467, 22934, 45868, 57335, 91736, 114670, 229340, 458680, 3245161, 6490322, 12980644, 16225805, 25961288, 32451610, 64903220, 129806440]

約数ペア:

[(1, 129806440), (2, 64903220), (4, 32451610), (5, 25961288), (8, 16225805), (10, 12980644), (20, 6490322), (40, 3245161), (283, 458680), (566, 229340), (1132, 114670), (1415, 91736), (2264, 57335), (2830, 45868), (5660, 22934), (11320, 11467)]