2113183720

素因数分解:

$2^3\times 5^1\times {\mathrm{4243}}^1\times {\mathrm{12451}}^1$

素因数の和:16705

約数の個数: 32

約数和(自身を含む): 4756165920

約数和(自身を除く): 2642982200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4243, 8486, 12451, 16972, 21215, 24902, 33944, 42430, 49804, 62255, 84860, 99608, 124510, 169720, 249020, 498040, 52829593, 105659186, 211318372, 264147965, 422636744, 528295930, 1056591860, 2113183720]

約数ペア:

[(1, 2113183720), (2, 1056591860), (4, 528295930), (5, 422636744), (8, 264147965), (10, 211318372), (20, 105659186), (40, 52829593), (4243, 498040), (8486, 249020), (12451, 169720), (16972, 124510), (21215, 99608), (24902, 84860), (33944, 62255), (42430, 49804)]