2481640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{8863}}^1$

素因数の和:8881

約数の個数: 32

約数和(自身を含む): 6382080

約数和(自身を除く): 3900440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 8863, 17726, 35452, 44315, 62041, 70904, 88630, 124082, 177260, 248164, 310205, 354520, 496328, 620410, 1240820, 2481640]

約数ペア:

[(1, 2481640), (2, 1240820), (4, 620410), (5, 496328), (7, 354520), (8, 310205), (10, 248164), (14, 177260), (20, 124082), (28, 88630), (35, 70904), (40, 62041), (56, 44315), (70, 35452), (140, 17726), (280, 8863)]