2080731455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{3907}}^1$

素因数の和:4367

約数の個数: 32

約数和(自身を含む): 2849776128

約数和(自身を除く): 769044673

約数列:

[1, 5, 11, 23, 55, 115, 253, 421, 1265, 2105, 3907, 4631, 9683, 19535, 23155, 42977, 48415, 89861, 106513, 214885, 449305, 532565, 988471, 1644847, 4942355, 8224235, 18093317, 37831481, 90466585, 189157405, 416146291, 2080731455]

約数ペア:

[(1, 2080731455), (5, 416146291), (11, 189157405), (23, 90466585), (55, 37831481), (115, 18093317), (253, 8224235), (421, 4942355), (1265, 1644847), (2105, 988471), (3907, 532565), (4631, 449305), (9683, 214885), (19535, 106513), (23155, 89861), (42977, 48415)]