86153980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20611}}^1$

素因数の和:20650

約数の個数: 48

約数和(自身を含む): 207768960

約数和(自身を除く): 121614980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 20611, 41222, 82444, 103055, 206110, 226721, 391609, 412220, 453442, 783218, 906884, 1133605, 1566436, 1958045, 2267210, 3916090, 4307699, 4534420, 7832180, 8615398, 17230796, 21538495, 43076990, 86153980]

約数ペア:

[(1, 86153980), (2, 43076990), (4, 21538495), (5, 17230796), (10, 8615398), (11, 7832180), (19, 4534420), (20, 4307699), (22, 3916090), (38, 2267210), (44, 1958045), (55, 1566436), (76, 1133605), (95, 906884), (110, 783218), (190, 453442), (209, 412220), (220, 391609), (380, 226721), (418, 206110), (836, 103055), (1045, 82444), (2090, 41222), (4180, 20611)]