125705840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120871}}^1$

素因数の和:120897

約数の個数: 40

約数和(自身を含む): 314750688

約数和(自身を除く): 189044848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 120871, 241742, 483484, 604355, 966968, 1208710, 1571323, 1933936, 2417420, 3142646, 4834840, 6285292, 7856615, 9669680, 12570584, 15713230, 25141168, 31426460, 62852920, 125705840]

約数ペア:

[(1, 125705840), (2, 62852920), (4, 31426460), (5, 25141168), (8, 15713230), (10, 12570584), (13, 9669680), (16, 7856615), (20, 6285292), (26, 4834840), (40, 3142646), (52, 2417420), (65, 1933936), (80, 1571323), (104, 1208710), (130, 966968), (208, 604355), (260, 483484), (520, 241742), (1040, 120871)]