12739480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24499}}^1$

素因数の和:24523

約数の個数: 32

約数和(自身を含む): 30870000

約数和(自身を除く): 18130520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24499, 48998, 97996, 122495, 195992, 244990, 318487, 489980, 636974, 979960, 1273948, 1592435, 2547896, 3184870, 6369740, 12739480]

約数ペア:

[(1, 12739480), (2, 6369740), (4, 3184870), (5, 2547896), (8, 1592435), (10, 1273948), (13, 979960), (20, 636974), (26, 489980), (40, 318487), (52, 244990), (65, 195992), (104, 122495), (130, 97996), (260, 48998), (520, 24499)]