4137640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 10256400

約数和(自身を除く): 6118760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 109, 130, 146, 218, 260, 292, 365, 436, 520, 545, 584, 730, 872, 949, 1090, 1417, 1460, 1898, 2180, 2834, 2920, 3796, 4360, 4745, 5668, 7085, 7592, 7957, 9490, 11336, 14170, 15914, 18980, 28340, 31828, 37960, 39785, 56680, 63656, 79570, 103441, 159140, 206882, 318280, 413764, 517205, 827528, 1034410, 2068820, 4137640]

約数ペア:

[(1, 4137640), (2, 2068820), (4, 1034410), (5, 827528), (8, 517205), (10, 413764), (13, 318280), (20, 206882), (26, 159140), (40, 103441), (52, 79570), (65, 63656), (73, 56680), (104, 39785), (109, 37960), (130, 31828), (146, 28340), (218, 18980), (260, 15914), (292, 14170), (365, 11336), (436, 9490), (520, 7957), (545, 7592), (584, 7085), (730, 5668), (872, 4745), (949, 4360), (1090, 3796), (1417, 2920), (1460, 2834), (1898, 2180)]