8698406840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2153071}}^1$

素因数の和:2153183

約数の個数: 32

約数和(自身を含む): 19765200960

約数和(自身を除く): 11066794120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 2153071, 4306142, 8612284, 10765355, 17224568, 21530710, 43061420, 86122840, 217460171, 434920342, 869840684, 1087300855, 1739681368, 2174601710, 4349203420, 8698406840]

約数ペア:

[(1, 8698406840), (2, 4349203420), (4, 2174601710), (5, 1739681368), (8, 1087300855), (10, 869840684), (20, 434920342), (40, 217460171), (101, 86122840), (202, 43061420), (404, 21530710), (505, 17224568), (808, 10765355), (1010, 8612284), (2020, 4306142), (4040, 2153071)]