10399880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8387}}^1$

素因数の和:8429

約数の個数: 32

約数和(自身を含む): 24157440

約数和(自身を除く): 13757560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 8387, 16774, 33548, 41935, 67096, 83870, 167740, 259997, 335480, 519994, 1039988, 1299985, 2079976, 2599970, 5199940, 10399880]

約数ペア:

[(1, 10399880), (2, 5199940), (4, 2599970), (5, 2079976), (8, 1299985), (10, 1039988), (20, 519994), (31, 335480), (40, 259997), (62, 167740), (124, 83870), (155, 67096), (248, 41935), (310, 33548), (620, 16774), (1240, 8387)]