161640190

素因数分解:

$2^1\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{10289}}^1$

素因数の和:11867

約数の個数: 16

約数和(自身を含む): 291165840

約数和(自身を除く): 129525650

約数列:

[1, 2, 5, 10, 1571, 3142, 7855, 10289, 15710, 20578, 51445, 102890, 16164019, 32328038, 80820095, 161640190]

約数ペア:

[(1, 161640190), (2, 80820095), (5, 32328038), (10, 16164019), (1571, 102890), (3142, 51445), (7855, 20578), (10289, 15710)]