16406780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63103}}^1$

素因数の和:63125

約数の個数: 24

約数和(自身を含む): 37105152

約数和(自身を除く): 20698372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63103, 126206, 252412, 315515, 631030, 820339, 1262060, 1640678, 3281356, 4101695, 8203390, 16406780]

約数ペア:

[(1, 16406780), (2, 8203390), (4, 4101695), (5, 3281356), (10, 1640678), (13, 1262060), (20, 820339), (26, 631030), (52, 315515), (65, 252412), (130, 126206), (260, 63103)]