71641.000000

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 1022256

約数和(自身を除く): 620096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 457, 880, 914, 1828, 2285, 3656, 4570, 5027, 7312, 9140, 10054, 18280, 20108, 25135, 36560, 40216, 50270, 80432, 100540, 201080, 402160]

約数ペア:

[(1, 402160), (2, 201080), (4, 100540), (5, 80432), (8, 50270), (10, 40216), (11, 36560), (16, 25135), (20, 20108), (22, 18280), (40, 10054), (44, 9140), (55, 7312), (80, 5027), (88, 4570), (110, 3656), (176, 2285), (220, 1828), (440, 914), (457, 880)]