7642760

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1217}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 17319960

約数和(自身を除く): 9677200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1217, 1256, 1570, 2434, 3140, 4868, 6085, 6280, 9736, 12170, 24340, 48680, 191069, 382138, 764276, 955345, 1528552, 1910690, 3821380, 7642760]

約数ペア:

[(1, 7642760), (2, 3821380), (4, 1910690), (5, 1528552), (8, 955345), (10, 764276), (20, 382138), (40, 191069), (157, 48680), (314, 24340), (628, 12170), (785, 9736), (1217, 6280), (1256, 6085), (1570, 4868), (2434, 3140)]