9963640

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1117}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 22538880

約数和(自身を除く): 12575240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1117, 1784, 2230, 2234, 4460, 4468, 5585, 8920, 8936, 11170, 22340, 44680, 249091, 498182, 996364, 1245455, 1992728, 2490910, 4981820, 9963640]

約数ペア:

[(1, 9963640), (2, 4981820), (4, 2490910), (5, 1992728), (8, 1245455), (10, 996364), (20, 498182), (40, 249091), (223, 44680), (446, 22340), (892, 11170), (1115, 8936), (1117, 8920), (1784, 5585), (2230, 4468), (2234, 4460)]