90464840

素因数分解:

$2^3\times 5^1\times {\mathrm{2261621}}^1$

素因数の和:2261632

約数の個数: 16

約数和(自身を含む): 203545980

約数和(自身を除く): 113081140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2261621, 4523242, 9046484, 11308105, 18092968, 22616210, 45232420, 90464840]

約数ペア:

[(1, 90464840), (2, 45232420), (4, 22616210), (5, 18092968), (8, 11308105), (10, 9046484), (20, 4523242), (40, 2261621)]