71268040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{33617}}^1$

素因数の和:33681

約数の個数: 32

約数和(自身を含む): 163383480

約数和(自身を除く): 92115440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 33617, 67234, 134468, 168085, 268936, 336170, 672340, 1344680, 1781701, 3563402, 7126804, 8908505, 14253608, 17817010, 35634020, 71268040]

約数ペア:

[(1, 71268040), (2, 35634020), (4, 17817010), (5, 14253608), (8, 8908505), (10, 7126804), (20, 3563402), (40, 1781701), (53, 1344680), (106, 672340), (212, 336170), (265, 268936), (424, 168085), (530, 134468), (1060, 67234), (2120, 33617)]