13540180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21839}}^1$

素因数の和:21879

約数の個数: 24

約数和(自身を含む): 29352960

約数和(自身を除く): 15812780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21839, 43678, 87356, 109195, 218390, 436780, 677009, 1354018, 2708036, 3385045, 6770090, 13540180]

約数ペア:

[(1, 13540180), (2, 6770090), (4, 3385045), (5, 2708036), (10, 1354018), (20, 677009), (31, 436780), (62, 218390), (124, 109195), (155, 87356), (310, 43678), (620, 21839)]