28745960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24781}}^1$

素因数の和:24821

約数の個数: 32

約数和(自身を含む): 66911400

約数和(自身を除く): 38165440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24781, 49562, 99124, 123905, 198248, 247810, 495620, 718649, 991240, 1437298, 2874596, 3593245, 5749192, 7186490, 14372980, 28745960]

約数ペア:

[(1, 28745960), (2, 14372980), (4, 7186490), (5, 5749192), (8, 3593245), (10, 2874596), (20, 1437298), (29, 991240), (40, 718649), (58, 495620), (116, 247810), (145, 198248), (232, 123905), (290, 99124), (580, 49562), (1160, 24781)]