83797640

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{4021}}^1$

素因数の和:4553

約数の個数: 32

約数和(自身を含む): 188953560

約数和(自身を除く): 105155920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4021, 4168, 5210, 8042, 10420, 16084, 20105, 20840, 32168, 40210, 80420, 160840, 2094941, 4189882, 8379764, 10474705, 16759528, 20949410, 41898820, 83797640]

約数ペア:

[(1, 83797640), (2, 41898820), (4, 20949410), (5, 16759528), (8, 10474705), (10, 8379764), (20, 4189882), (40, 2094941), (521, 160840), (1042, 80420), (2084, 40210), (2605, 32168), (4021, 20840), (4168, 20105), (5210, 16084), (8042, 10420)]