55342840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{827}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 143078400

約数和(自身を除く): 87735560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 827, 956, 1195, 1654, 1673, 1912, 2390, 3308, 3346, 4135, 4780, 5789, 6616, 6692, 8270, 8365, 9560, 11578, 13384, 16540, 16730, 23156, 28945, 33080, 33460, 46312, 57890, 66920, 115780, 197653, 231560, 395306, 790612, 988265, 1383571, 1581224, 1976530, 2767142, 3953060, 5534284, 6917855, 7906120, 11068568, 13835710, 27671420, 55342840]

約数ペア:

[(1, 55342840), (2, 27671420), (4, 13835710), (5, 11068568), (7, 7906120), (8, 6917855), (10, 5534284), (14, 3953060), (20, 2767142), (28, 1976530), (35, 1581224), (40, 1383571), (56, 988265), (70, 790612), (140, 395306), (239, 231560), (280, 197653), (478, 115780), (827, 66920), (956, 57890), (1195, 46312), (1654, 33460), (1673, 33080), (1912, 28945), (2390, 23156), (3308, 16730), (3346, 16540), (4135, 13384), (4780, 11578), (5789, 9560), (6616, 8365), (6692, 8270)]