129778840

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{5623}}^1$

素因数の和:6211

約数の個数: 32

約数和(自身を含む): 292560480

約数和(自身を除く): 162781640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 1154, 2308, 2885, 4616, 5623, 5770, 11246, 11540, 22492, 23080, 28115, 44984, 56230, 112460, 224920, 3244471, 6488942, 12977884, 16222355, 25955768, 32444710, 64889420, 129778840]

約数ペア:

[(1, 129778840), (2, 64889420), (4, 32444710), (5, 25955768), (8, 16222355), (10, 12977884), (20, 6488942), (40, 3244471), (577, 224920), (1154, 112460), (2308, 56230), (2885, 44984), (4616, 28115), (5623, 23080), (5770, 22492), (11246, 11540)]