66266840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53441}}^1$

素因数の和:53483

約数の個数: 32

約数和(自身を含む): 153912960

約数和(自身を除く): 87646120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53441, 106882, 213764, 267205, 427528, 534410, 1068820, 1656671, 2137640, 3313342, 6626684, 8283355, 13253368, 16566710, 33133420, 66266840]

約数ペア:

[(1, 66266840), (2, 33133420), (4, 16566710), (5, 13253368), (8, 8283355), (10, 6626684), (20, 3313342), (31, 2137640), (40, 1656671), (62, 1068820), (124, 534410), (155, 427528), (248, 267205), (310, 213764), (620, 106882), (1240, 53441)]