5190380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19963}}^1$

素因数の和:19985

約数の個数: 24

約数和(自身を含む): 11738832

約数和(自身を除く): 6548452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 19963, 39926, 79852, 99815, 199630, 259519, 399260, 519038, 1038076, 1297595, 2595190, 5190380]

約数ペア:

[(1, 5190380), (2, 2595190), (4, 1297595), (5, 1038076), (10, 519038), (13, 399260), (20, 259519), (26, 199630), (52, 99815), (65, 79852), (130, 39926), (260, 19963)]