12691640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24407}}^1$

素因数の和:24431

約数の個数: 32

約数和(自身を含む): 30754080

約数和(自身を除く): 18062440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24407, 48814, 97628, 122035, 195256, 244070, 317291, 488140, 634582, 976280, 1269164, 1586455, 2538328, 3172910, 6345820, 12691640]

約数ペア:

[(1, 12691640), (2, 6345820), (4, 3172910), (5, 2538328), (8, 1586455), (10, 1269164), (13, 976280), (20, 634582), (26, 488140), (40, 317291), (52, 244070), (65, 195256), (104, 122035), (130, 97628), (260, 48814), (520, 24407)]