3117640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1901}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 7189560

約数和(自身を除く): 4071920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1901, 3802, 7604, 9505, 15208, 19010, 38020, 76040, 77941, 155882, 311764, 389705, 623528, 779410, 1558820, 3117640]

約数ペア:

[(1, 3117640), (2, 1558820), (4, 779410), (5, 623528), (8, 389705), (10, 311764), (20, 155882), (40, 77941), (41, 76040), (82, 38020), (164, 19010), (205, 15208), (328, 9505), (410, 7604), (820, 3802), (1640, 1901)]