51319880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41387}}^1$

素因数の和:41429

約数の個数: 32

約数和(自身を含む): 119197440

約数和(自身を除く): 67877560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41387, 82774, 165548, 206935, 331096, 413870, 827740, 1282997, 1655480, 2565994, 5131988, 6414985, 10263976, 12829970, 25659940, 51319880]

約数ペア:

[(1, 51319880), (2, 25659940), (4, 12829970), (5, 10263976), (8, 6414985), (10, 5131988), (20, 2565994), (31, 1655480), (40, 1282997), (62, 827740), (124, 413870), (155, 331096), (248, 206935), (310, 165548), (620, 82774), (1240, 41387)]