31647520

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1423}}^1$

素因数の和:1577

約数の個数: 48

約数和(自身を含む): 75358080

約数和(自身を除く): 43710560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 1423, 2224, 2780, 2846, 4448, 5560, 5692, 7115, 11120, 11384, 14230, 22240, 22768, 28460, 45536, 56920, 113840, 197797, 227680, 395594, 791188, 988985, 1582376, 1977970, 3164752, 3955940, 6329504, 7911880, 15823760, 31647520]

約数ペア:

[(1, 31647520), (2, 15823760), (4, 7911880), (5, 6329504), (8, 3955940), (10, 3164752), (16, 1977970), (20, 1582376), (32, 988985), (40, 791188), (80, 395594), (139, 227680), (160, 197797), (278, 113840), (556, 56920), (695, 45536), (1112, 28460), (1390, 22768), (1423, 22240), (2224, 14230), (2780, 11384), (2846, 11120), (4448, 7115), (5560, 5692)]