16566940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63719}}^1$

素因数の和:63741

約数の個数: 24

約数和(自身を含む): 37467360

約数和(自身を除く): 20900420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63719, 127438, 254876, 318595, 637190, 828347, 1274380, 1656694, 3313388, 4141735, 8283470, 16566940]

約数ペア:

[(1, 16566940), (2, 8283470), (4, 4141735), (5, 3313388), (10, 1656694), (13, 1274380), (20, 828347), (26, 637190), (52, 318595), (65, 254876), (130, 127438), (260, 63719)]