31813040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56809}}^1$

素因数の和:56829

約数の個数: 40

約数和(自身を含む): 84533280

約数和(自身を除く): 52720240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56809, 113618, 227236, 284045, 397663, 454472, 568090, 795326, 908944, 1136180, 1590652, 1988315, 2272360, 3181304, 3976630, 4544720, 6362608, 7953260, 15906520, 31813040]

約数ペア:

[(1, 31813040), (2, 15906520), (4, 7953260), (5, 6362608), (7, 4544720), (8, 3976630), (10, 3181304), (14, 2272360), (16, 1988315), (20, 1590652), (28, 1136180), (35, 908944), (40, 795326), (56, 568090), (70, 454472), (80, 397663), (112, 284045), (140, 227236), (280, 113618), (560, 56809)]