64675660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{787}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 155683584

約数和(自身を除く): 91007924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 587, 787, 1174, 1574, 2348, 2935, 3148, 3935, 4109, 5509, 5870, 7870, 8218, 11018, 11740, 15740, 16436, 20545, 22036, 27545, 41090, 55090, 82180, 110180, 461969, 923938, 1847876, 2309845, 3233783, 4619690, 6467566, 9239380, 12935132, 16168915, 32337830, 64675660]

約数ペア:

[(1, 64675660), (2, 32337830), (4, 16168915), (5, 12935132), (7, 9239380), (10, 6467566), (14, 4619690), (20, 3233783), (28, 2309845), (35, 1847876), (70, 923938), (140, 461969), (587, 110180), (787, 82180), (1174, 55090), (1574, 41090), (2348, 27545), (2935, 22036), (3148, 20545), (3935, 16436), (4109, 15740), (5509, 11740), (5870, 11018), (7870, 8218)]