40672528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{195541}}^1$

素因数の和:195562

約数の個数: 20

約数和(自身を含む): 84865228

約数和(自身を除く): 44192700

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 195541, 391082, 782164, 1564328, 2542033, 3128656, 5084066, 10168132, 20336264, 40672528]

約数ペア:

[(1, 40672528), (2, 20336264), (4, 10168132), (8, 5084066), (13, 3128656), (16, 2542033), (26, 1564328), (52, 782164), (104, 391082), (208, 195541)]