72865360

素因数分解:

$2^4\times 5^1\times {\mathrm{910817}}^1$

素因数の和:910830

約数の個数: 20

約数和(自身を含む): 169412148

約数和(自身を除く): 96546788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 910817, 1821634, 3643268, 4554085, 7286536, 9108170, 14573072, 18216340, 36432680, 72865360]

約数ペア:

[(1, 72865360), (2, 36432680), (4, 18216340), (5, 14573072), (8, 9108170), (10, 7286536), (16, 4554085), (20, 3643268), (40, 1821634), (80, 910817)]