80532580

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{3119}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 169303680

約数和(自身を除く): 88771100

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 3119, 5164, 6238, 6455, 12476, 12910, 15595, 25820, 31190, 62380, 4026629, 8053258, 16106516, 20133145, 40266290, 80532580]

約数ペア:

[(1, 80532580), (2, 40266290), (4, 20133145), (5, 16106516), (10, 8053258), (20, 4026629), (1291, 62380), (2582, 31190), (3119, 25820), (5164, 15595), (6238, 12910), (6455, 12476)]