9987640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19207}}^1$

素因数の和:19231

約数の個数: 32

約数和(自身を含む): 24202080

約数和(自身を除く): 14214440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 19207, 38414, 76828, 96035, 153656, 192070, 249691, 384140, 499382, 768280, 998764, 1248455, 1997528, 2496910, 4993820, 9987640]

約数ペア:

[(1, 9987640), (2, 4993820), (4, 2496910), (5, 1997528), (8, 1248455), (10, 998764), (13, 768280), (20, 499382), (26, 384140), (40, 249691), (52, 192070), (65, 153656), (104, 96035), (130, 76828), (260, 38414), (520, 19207)]