20197599350

素因数分解:

$2^1\times 5^2\times {\mathrm{4987}}^1\times {\mathrm{81001}}^1$

素因数の和:86000

約数の個数: 24

約数和(自身を含む): 37575531768

約数和(自身を除く): 17377932418

約数列:

[1, 2, 5, 10, 25, 50, 4987, 9974, 24935, 49870, 81001, 124675, 162002, 249350, 405005, 810010, 2025025, 4050050, 403951987, 807903974, 2019759935, 4039519870, 10098799675, 20197599350]

約数ペア:

[(1, 20197599350), (2, 10098799675), (5, 4039519870), (10, 2019759935), (25, 807903974), (50, 403951987), (4987, 4050050), (9974, 2025025), (24935, 810010), (49870, 405005), (81001, 249350), (124675, 162002)]