91161680

素因数分解:

$2^4\times 5^1\times {\mathrm{1139521}}^1$

素因数の和:1139534

約数の個数: 20

約数和(自身を含む): 211951092

約数和(自身を除く): 120789412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1139521, 2279042, 4558084, 5697605, 9116168, 11395210, 18232336, 22790420, 45580840, 91161680]

約数ペア:

[(1, 91161680), (2, 45580840), (4, 22790420), (5, 18232336), (8, 11395210), (10, 9116168), (16, 5697605), (20, 4558084), (40, 2279042), (80, 1139521)]