11887880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9587}}^1$

素因数の和:9629

約数の個数: 32

約数和(自身を含む): 27613440

約数和(自身を除く): 15725560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 9587, 19174, 38348, 47935, 76696, 95870, 191740, 297197, 383480, 594394, 1188788, 1485985, 2377576, 2971970, 5943940, 11887880]

約数ペア:

[(1, 11887880), (2, 5943940), (4, 2971970), (5, 2377576), (8, 1485985), (10, 1188788), (20, 594394), (31, 383480), (40, 297197), (62, 191740), (124, 95870), (155, 76696), (248, 47935), (310, 38348), (620, 19174), (1240, 9587)]