118979320

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3623}}^1$

素因数の和:4455

約数の個数: 32

約数和(自身を含む): 268103520

約数和(自身を除く): 149124200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 3623, 4105, 6568, 7246, 8210, 14492, 16420, 18115, 28984, 32840, 36230, 72460, 144920, 2974483, 5948966, 11897932, 14872415, 23795864, 29744830, 59489660, 118979320]

約数ペア:

[(1, 118979320), (2, 59489660), (4, 29744830), (5, 23795864), (8, 14872415), (10, 11897932), (20, 5948966), (40, 2974483), (821, 144920), (1642, 72460), (3284, 36230), (3623, 32840), (4105, 28984), (6568, 18115), (7246, 16420), (8210, 14492)]