66867620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3719}}^1$

素因数の和:3788

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 83122780

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 3719, 4495, 7438, 8990, 14876, 17980, 18595, 37190, 74380, 107851, 115289, 215702, 230578, 431404, 461156, 539255, 576445, 1078510, 1152890, 2157020, 2305780, 3343381, 6686762, 13373524, 16716905, 33433810, 66867620]

約数ペア:

[(1, 66867620), (2, 33433810), (4, 16716905), (5, 13373524), (10, 6686762), (20, 3343381), (29, 2305780), (31, 2157020), (58, 1152890), (62, 1078510), (116, 576445), (124, 539255), (145, 461156), (155, 431404), (290, 230578), (310, 215702), (580, 115289), (620, 107851), (899, 74380), (1798, 37190), (3596, 18595), (3719, 17980), (4495, 14876), (7438, 8990)]