27529640

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1321}}^1$

素因数の和:1853

約数の個数: 32

約数和(自身を含む): 62107560

約数和(自身を除く): 34577920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 1321, 2084, 2605, 2642, 4168, 5210, 5284, 6605, 10420, 10568, 13210, 20840, 26420, 52840, 688241, 1376482, 2752964, 3441205, 5505928, 6882410, 13764820, 27529640]

約数ペア:

[(1, 27529640), (2, 13764820), (4, 6882410), (5, 5505928), (8, 3441205), (10, 2752964), (20, 1376482), (40, 688241), (521, 52840), (1042, 26420), (1321, 20840), (2084, 13210), (2605, 10568), (2642, 10420), (4168, 6605), (5210, 5284)]