885281680

素因数分解:

$2^4\times 5^1\times {\mathrm{11066021}}^1$

素因数の和:11066034

約数の個数: 20

約数和(自身を含む): 2058280092

約数和(自身を除く): 1172998412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11066021, 22132042, 44264084, 55330105, 88528168, 110660210, 177056336, 221320420, 442640840, 885281680]

約数ペア:

[(1, 885281680), (2, 442640840), (4, 221320420), (5, 177056336), (8, 110660210), (10, 88528168), (16, 55330105), (20, 44264084), (40, 22132042), (80, 11066021)]