123829040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9859}}^1$

素因数の和:10029

約数の個数: 40

約数和(自身を含む): 289765680

約数和(自身を除く): 165936640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 9859, 12560, 19718, 39436, 49295, 78872, 98590, 157744, 197180, 394360, 788720, 1547863, 3095726, 6191452, 7739315, 12382904, 15478630, 24765808, 30957260, 61914520, 123829040]

約数ペア:

[(1, 123829040), (2, 61914520), (4, 30957260), (5, 24765808), (8, 15478630), (10, 12382904), (16, 7739315), (20, 6191452), (40, 3095726), (80, 1547863), (157, 788720), (314, 394360), (628, 197180), (785, 157744), (1256, 98590), (1570, 78872), (2512, 49295), (3140, 39436), (6280, 19718), (9859, 12560)]