80831380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11783}}^1$

素因数の和:11813

約数の個数: 48

約数和(自身を含む): 197971200

約数和(自身を除く): 117139820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 11783, 23566, 47132, 58915, 82481, 117830, 164962, 235660, 329924, 412405, 577367, 824810, 1154734, 1649620, 2309468, 2886835, 4041569, 5773670, 8083138, 11547340, 16166276, 20207845, 40415690, 80831380]

約数ペア:

[(1, 80831380), (2, 40415690), (4, 20207845), (5, 16166276), (7, 11547340), (10, 8083138), (14, 5773670), (20, 4041569), (28, 2886835), (35, 2309468), (49, 1649620), (70, 1154734), (98, 824810), (140, 577367), (196, 412405), (245, 329924), (343, 235660), (490, 164962), (686, 117830), (980, 82481), (1372, 58915), (1715, 47132), (3430, 23566), (6860, 11783)]