2013123820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1274129}}^1$

素因数の和:1274217

約数の個数: 24

約数和(自身を含む): 4281076800

約数和(自身を除く): 2267952980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1274129, 2548258, 5096516, 6370645, 12741290, 25482580, 100656191, 201312382, 402624764, 503280955, 1006561910, 2013123820]

約数ペア:

[(1, 2013123820), (2, 1006561910), (4, 503280955), (5, 402624764), (10, 201312382), (20, 100656191), (79, 25482580), (158, 12741290), (316, 6370645), (395, 5096516), (790, 2548258), (1580, 1274129)]