74921320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11491}}^1$

素因数の和:11665

約数の個数: 32

約数和(自身を含む): 169621920

約数和(自身を除く): 94700600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11491, 22982, 45964, 57455, 91928, 114910, 229820, 459640, 1873033, 3746066, 7492132, 9365165, 14984264, 18730330, 37460660, 74921320]

約数ペア:

[(1, 74921320), (2, 37460660), (4, 18730330), (5, 14984264), (8, 9365165), (10, 7492132), (20, 3746066), (40, 1873033), (163, 459640), (326, 229820), (652, 114910), (815, 91928), (1304, 57455), (1630, 45964), (3260, 22982), (6520, 11491)]