85642180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{329393}}^1$

素因数の和:329415

約数の個数: 24

約数和(自身を含む): 193683672

約数和(自身を除く): 108041492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 329393, 658786, 1317572, 1646965, 3293930, 4282109, 6587860, 8564218, 17128436, 21410545, 42821090, 85642180]

約数ペア:

[(1, 85642180), (2, 42821090), (4, 21410545), (5, 17128436), (10, 8564218), (13, 6587860), (20, 4282109), (26, 3293930), (52, 1646965), (65, 1317572), (130, 658786), (260, 329393)]