2543320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 6340320

約数和(自身を除く): 3797000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 73, 104, 130, 134, 146, 260, 268, 292, 335, 365, 520, 536, 584, 670, 730, 871, 949, 1340, 1460, 1742, 1898, 2680, 2920, 3484, 3796, 4355, 4745, 4891, 6968, 7592, 8710, 9490, 9782, 17420, 18980, 19564, 24455, 34840, 37960, 39128, 48910, 63583, 97820, 127166, 195640, 254332, 317915, 508664, 635830, 1271660, 2543320]

約数ペア:

[(1, 2543320), (2, 1271660), (4, 635830), (5, 508664), (8, 317915), (10, 254332), (13, 195640), (20, 127166), (26, 97820), (40, 63583), (52, 48910), (65, 39128), (67, 37960), (73, 34840), (104, 24455), (130, 19564), (134, 18980), (146, 17420), (260, 9782), (268, 9490), (292, 8710), (335, 7592), (365, 6968), (520, 4891), (536, 4745), (584, 4355), (670, 3796), (730, 3484), (871, 2920), (949, 2680), (1340, 1898), (1460, 1742)]