38642320

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1181}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 90139320

約数和(自身を除く): 51497000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1181, 1636, 2045, 2362, 3272, 4090, 4724, 5905, 6544, 8180, 9448, 11810, 16360, 18896, 23620, 32720, 47240, 94480, 483029, 966058, 1932116, 2415145, 3864232, 4830290, 7728464, 9660580, 19321160, 38642320]

約数ペア:

[(1, 38642320), (2, 19321160), (4, 9660580), (5, 7728464), (8, 4830290), (10, 3864232), (16, 2415145), (20, 1932116), (40, 966058), (80, 483029), (409, 94480), (818, 47240), (1181, 32720), (1636, 23620), (2045, 18896), (2362, 16360), (3272, 11810), (4090, 9448), (4724, 8180), (5905, 6544)]