25445264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1815

約数の個数: 40

約数和(自身を含む): 53871552

約数和(自身を除く): 28426288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1723, 1846, 3446, 3692, 6892, 7384, 13784, 14768, 22399, 27568, 44798, 89596, 122333, 179192, 244666, 358384, 489332, 978664, 1590329, 1957328, 3180658, 6361316, 12722632, 25445264]

約数ペア:

[(1, 25445264), (2, 12722632), (4, 6361316), (8, 3180658), (13, 1957328), (16, 1590329), (26, 978664), (52, 489332), (71, 358384), (104, 244666), (142, 179192), (208, 122333), (284, 89596), (568, 44798), (923, 27568), (1136, 22399), (1723, 14768), (1846, 13784), (3446, 7384), (3692, 6892)]