57123640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{204013}}^1$

素因数の和:204031

約数の個数: 32

約数和(自身を含む): 146890080

約数和(自身を除く): 89766440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 204013, 408026, 816052, 1020065, 1428091, 1632104, 2040130, 2856182, 4080260, 5712364, 7140455, 8160520, 11424728, 14280910, 28561820, 57123640]

約数ペア:

[(1, 57123640), (2, 28561820), (4, 14280910), (5, 11424728), (7, 8160520), (8, 7140455), (10, 5712364), (14, 4080260), (20, 2856182), (28, 2040130), (35, 1632104), (40, 1428091), (56, 1020065), (70, 816052), (140, 408026), (280, 204013)]