1238120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 3001320

約数和(自身を除く): 1763200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2381, 4762, 9524, 11905, 19048, 23810, 30953, 47620, 61906, 95240, 123812, 154765, 247624, 309530, 619060, 1238120]

約数ペア:

[(1, 1238120), (2, 619060), (4, 309530), (5, 247624), (8, 154765), (10, 123812), (13, 95240), (20, 61906), (26, 47620), (40, 30953), (52, 23810), (65, 19048), (104, 11905), (130, 9524), (260, 4762), (520, 2381)]