161320371280

素因数分解:

$2^4\times 5^1\times {\mathrm{2016504641}}^1$

素因数の和:2016504654

約数の個数: 20

約数和(自身を含む): 375069863412

約数和(自身を除く): 213749492132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2016504641, 4033009282, 8066018564, 10082523205, 16132037128, 20165046410, 32264074256, 40330092820, 80660185640, 161320371280]

約数ペア:

[(1, 161320371280), (2, 80660185640), (4, 40330092820), (5, 32264074256), (8, 20165046410), (10, 16132037128), (16, 10082523205), (20, 8066018564), (40, 4033009282), (80, 2016504641)]