55160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 142560

約数和(自身を除く): 87400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3940, 5516, 6895, 7880, 11032, 13790, 27580, 55160]

約数ペア:

[(1, 55160), (2, 27580), (4, 13790), (5, 11032), (7, 7880), (8, 6895), (10, 5516), (14, 3940), (20, 2758), (28, 1970), (35, 1576), (40, 1379), (56, 985), (70, 788), (140, 394), (197, 280)]