159081640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97001}}^1$

素因数の和:97053

約数の個数: 32

約数和(自身を含む): 366667560

約数和(自身を除く): 207585920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 97001, 194002, 388004, 485005, 776008, 970010, 1940020, 3880040, 3977041, 7954082, 15908164, 19885205, 31816328, 39770410, 79540820, 159081640]

約数ペア:

[(1, 159081640), (2, 79540820), (4, 39770410), (5, 31816328), (8, 19885205), (10, 15908164), (20, 7954082), (40, 3977041), (41, 3880040), (82, 1940020), (164, 970010), (205, 776008), (328, 485005), (410, 388004), (820, 194002), (1640, 97001)]