55059280

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1321}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 128355624

約数和(自身を除く): 73296344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 1321, 2084, 2605, 2642, 4168, 5210, 5284, 6605, 8336, 10420, 10568, 13210, 20840, 21136, 26420, 41680, 52840, 105680, 688241, 1376482, 2752964, 3441205, 5505928, 6882410, 11011856, 13764820, 27529640, 55059280]

約数ペア:

[(1, 55059280), (2, 27529640), (4, 13764820), (5, 11011856), (8, 6882410), (10, 5505928), (16, 3441205), (20, 2752964), (40, 1376482), (80, 688241), (521, 105680), (1042, 52840), (1321, 41680), (2084, 26420), (2605, 21136), (2642, 20840), (4168, 13210), (5210, 10568), (5284, 10420), (6605, 8336)]