5194540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19979}}^1$

素因数の和:20001

約数の個数: 24

約数和(自身を含む): 11748240

約数和(自身を除く): 6553700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 19979, 39958, 79916, 99895, 199790, 259727, 399580, 519454, 1038908, 1298635, 2597270, 5194540]

約数ペア:

[(1, 5194540), (2, 2597270), (4, 1298635), (5, 1038908), (10, 519454), (13, 399580), (20, 259727), (26, 199790), (52, 99895), (65, 79916), (130, 39958), (260, 19979)]