13817840

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2081}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 32529168

約数和(自身を除く): 18711328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2081, 3320, 4162, 6640, 8324, 10405, 16648, 20810, 33296, 41620, 83240, 166480, 172723, 345446, 690892, 863615, 1381784, 1727230, 2763568, 3454460, 6908920, 13817840]

約数ペア:

[(1, 13817840), (2, 6908920), (4, 3454460), (5, 2763568), (8, 1727230), (10, 1381784), (16, 863615), (20, 690892), (40, 345446), (80, 172723), (83, 166480), (166, 83240), (332, 41620), (415, 33296), (664, 20810), (830, 16648), (1328, 10405), (1660, 8324), (2081, 6640), (3320, 4162)]