12731420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2129}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 30058560

約数和(自身を除く): 17327140

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2129, 2990, 4258, 5980, 8516, 10645, 21290, 27677, 42580, 48967, 55354, 97934, 110708, 138385, 195868, 244835, 276770, 489670, 553540, 636571, 979340, 1273142, 2546284, 3182855, 6365710, 12731420]

約数ペア:

[(1, 12731420), (2, 6365710), (4, 3182855), (5, 2546284), (10, 1273142), (13, 979340), (20, 636571), (23, 553540), (26, 489670), (46, 276770), (52, 244835), (65, 195868), (92, 138385), (115, 110708), (130, 97934), (230, 55354), (260, 48967), (299, 42580), (460, 27677), (598, 21290), (1196, 10645), (1495, 8516), (2129, 5980), (2990, 4258)]