54953980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{34781}}^1$

素因数の和:34869

約数の個数: 24

約数和(自身を含む): 116867520

約数和(自身を除く): 61913540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 34781, 69562, 139124, 173905, 347810, 695620, 2747699, 5495398, 10990796, 13738495, 27476990, 54953980]

約数ペア:

[(1, 54953980), (2, 27476990), (4, 13738495), (5, 10990796), (10, 5495398), (20, 2747699), (79, 695620), (158, 347810), (316, 173905), (395, 139124), (790, 69562), (1580, 34781)]