15678911390

素因数分解:

$2^1\times 5^1\times {\mathrm{4013}}^1\times {\mathrm{390703}}^1$

素因数の和:394723

約数の個数: 16

約数和(自身を含む): 28229145408

約数和(自身を除く): 12550234018

約数列:

[1, 2, 5, 10, 4013, 8026, 20065, 40130, 390703, 781406, 1953515, 3907030, 1567891139, 3135782278, 7839455695, 15678911390]

約数ペア:

[(1, 15678911390), (2, 7839455695), (5, 3135782278), (10, 1567891139), (4013, 3907030), (8026, 1953515), (20065, 781406), (40130, 390703)]