89212120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{76907}}^1$

素因数の和:76947

約数の個数: 32

約数和(自身を含む): 207651600

約数和(自身を除く): 118439480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 76907, 153814, 307628, 384535, 615256, 769070, 1538140, 2230303, 3076280, 4460606, 8921212, 11151515, 17842424, 22303030, 44606060, 89212120]

約数ペア:

[(1, 89212120), (2, 44606060), (4, 22303030), (5, 17842424), (8, 11151515), (10, 8921212), (20, 4460606), (29, 3076280), (40, 2230303), (58, 1538140), (116, 769070), (145, 615256), (232, 384535), (290, 307628), (580, 153814), (1160, 76907)]