40122520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12697}}^1$

素因数の和:12787

約数の個数: 32

約数和(自身を含む): 91425600

約数和(自身を除く): 51303080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 12697, 25394, 50788, 63485, 101576, 126970, 253940, 507880, 1003063, 2006126, 4012252, 5015315, 8024504, 10030630, 20061260, 40122520]

約数ペア:

[(1, 40122520), (2, 20061260), (4, 10030630), (5, 8024504), (8, 5015315), (10, 4012252), (20, 2006126), (40, 1003063), (79, 507880), (158, 253940), (316, 126970), (395, 101576), (632, 63485), (790, 50788), (1580, 25394), (3160, 12697)]