8912840

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1367}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 20191680

約数和(自身を除く): 11278840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1367, 1630, 2734, 3260, 5468, 6520, 6835, 10936, 13670, 27340, 54680, 222821, 445642, 891284, 1114105, 1782568, 2228210, 4456420, 8912840]

約数ペア:

[(1, 8912840), (2, 4456420), (4, 2228210), (5, 1782568), (8, 1114105), (10, 891284), (20, 445642), (40, 222821), (163, 54680), (326, 27340), (652, 13670), (815, 10936), (1304, 6835), (1367, 6520), (1630, 5468), (2734, 3260)]