8942180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 20443584

約数和(自身を除く): 11501404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 211, 260, 326, 422, 652, 815, 844, 1055, 1630, 2110, 2119, 2743, 3260, 4220, 4238, 5486, 8476, 10595, 10972, 13715, 21190, 27430, 34393, 42380, 54860, 68786, 137572, 171965, 343930, 447109, 687860, 894218, 1788436, 2235545, 4471090, 8942180]

約数ペア:

[(1, 8942180), (2, 4471090), (4, 2235545), (5, 1788436), (10, 894218), (13, 687860), (20, 447109), (26, 343930), (52, 171965), (65, 137572), (130, 68786), (163, 54860), (211, 42380), (260, 34393), (326, 27430), (422, 21190), (652, 13715), (815, 10972), (844, 10595), (1055, 8476), (1630, 5486), (2110, 4238), (2119, 4220), (2743, 3260)]