40897640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{146063}}^1$

素因数の和:146081

約数の個数: 32

約数和(自身を含む): 105166080

約数和(自身を除く): 64268440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 146063, 292126, 584252, 730315, 1022441, 1168504, 1460630, 2044882, 2921260, 4089764, 5112205, 5842520, 8179528, 10224410, 20448820, 40897640]

約数ペア:

[(1, 40897640), (2, 20448820), (4, 10224410), (5, 8179528), (7, 5842520), (8, 5112205), (10, 4089764), (14, 2921260), (20, 2044882), (28, 1460630), (35, 1168504), (40, 1022441), (56, 730315), (70, 584252), (140, 292126), (280, 146063)]