81130660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13567}}^1$

素因数の和:13612

約数の個数: 48

約数和(自身を含む): 191471616

約数和(自身を除く): 110340956

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, 2990, 5980, 13567, 27134, 54268, 67835, 135670, 176371, 271340, 312041, 352742, 624082, 705484, 881855, 1248164, 1560205, 1763710, 3120410, 3527420, 4056533, 6240820, 8113066, 16226132, 20282665, 40565330, 81130660]

約数ペア:

[(1, 81130660), (2, 40565330), (4, 20282665), (5, 16226132), (10, 8113066), (13, 6240820), (20, 4056533), (23, 3527420), (26, 3120410), (46, 1763710), (52, 1560205), (65, 1248164), (92, 881855), (115, 705484), (130, 624082), (230, 352742), (260, 312041), (299, 271340), (460, 176371), (598, 135670), (1196, 67835), (1495, 54268), (2990, 27134), (5980, 13567)]