2068820

素因数分解:

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

素因数の和:204

約数の個数: 48

約数和(自身を含む): 4786320

約数和(自身を除く): 2717500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 109, 130, 146, 218, 260, 292, 365, 436, 545, 730, 949, 1090, 1417, 1460, 1898, 2180, 2834, 3796, 4745, 5668, 7085, 7957, 9490, 14170, 15914, 18980, 28340, 31828, 39785, 79570, 103441, 159140, 206882, 413764, 517205, 1034410, 2068820]

約数ペア:

[(1, 2068820), (2, 1034410), (4, 517205), (5, 413764), (10, 206882), (13, 159140), (20, 103441), (26, 79570), (52, 39785), (65, 31828), (73, 28340), (109, 18980), (130, 15914), (146, 14170), (218, 9490), (260, 7957), (292, 7085), (365, 5668), (436, 4745), (545, 3796), (730, 2834), (949, 2180), (1090, 1898), (1417, 1460)]