2021721880

素因数分解:

$2^3\times 5^1\times {\mathrm{3347}}^1\times {\mathrm{15101}}^1$

素因数の和:18459

約数の個数: 32

約数和(自身を含む): 4550534640

約数和(自身を除く): 2528812760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3347, 6694, 13388, 15101, 16735, 26776, 30202, 33470, 60404, 66940, 75505, 120808, 133880, 151010, 302020, 604040, 50543047, 101086094, 202172188, 252715235, 404344376, 505430470, 1010860940, 2021721880]

約数ペア:

[(1, 2021721880), (2, 1010860940), (4, 505430470), (5, 404344376), (8, 252715235), (10, 202172188), (20, 101086094), (40, 50543047), (3347, 604040), (6694, 302020), (13388, 151010), (15101, 133880), (16735, 120808), (26776, 75505), (30202, 66940), (33470, 60404)]