90256120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2683}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 210398760

約数和(自身を除く): 120142640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1682, 2683, 3364, 4205, 5366, 6728, 8410, 10732, 13415, 16820, 21464, 26830, 33640, 53660, 77807, 107320, 155614, 311228, 389035, 622456, 778070, 1556140, 2256403, 3112280, 4512806, 9025612, 11282015, 18051224, 22564030, 45128060, 90256120]

約数ペア:

[(1, 90256120), (2, 45128060), (4, 22564030), (5, 18051224), (8, 11282015), (10, 9025612), (20, 4512806), (29, 3112280), (40, 2256403), (58, 1556140), (116, 778070), (145, 622456), (232, 389035), (290, 311228), (580, 155614), (841, 107320), (1160, 77807), (1682, 53660), (2683, 33640), (3364, 26830), (4205, 21464), (5366, 16820), (6728, 13415), (8410, 10732)]