13777727980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8720081}}^1$

素因数の和:8720169

約数の個数: 24

約数和(自身を含む): 29299475520

約数和(自身を除く): 15521747540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8720081, 17440162, 34880324, 43600405, 87200810, 174401620, 688886399, 1377772798, 2755545596, 3444431995, 6888863990, 13777727980]

約数ペア:

[(1, 13777727980), (2, 6888863990), (4, 3444431995), (5, 2755545596), (10, 1377772798), (20, 688886399), (79, 174401620), (158, 87200810), (316, 43600405), (395, 34880324), (790, 17440162), (1580, 8720081)]