160989890

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{19609}}^1$

素因数の和:20437

約数の個数: 16

約数和(自身を含む): 290149560

約数和(自身を除く): 129159670

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 19609, 39218, 98045, 196090, 16098989, 32197978, 80494945, 160989890]

約数ペア:

[(1, 160989890), (2, 80494945), (5, 32197978), (10, 16098989), (821, 196090), (1642, 98045), (4105, 39218), (8210, 19609)]