89872010

素因数分解:

$2^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{4523}}^1$

素因数の和:6517

約数の個数: 16

約数和(自身を含む): 161886816

約数和(自身を除く): 72014806

約数列:

[1, 2, 5, 10, 1987, 3974, 4523, 9046, 9935, 19870, 22615, 45230, 8987201, 17974402, 44936005, 89872010]

約数ペア:

[(1, 89872010), (2, 44936005), (5, 17974402), (10, 8987201), (1987, 45230), (3974, 22615), (4523, 19870), (9046, 9935)]