25194520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3727}}^1$

素因数の和:3764

約数の個数: 48

約数和(自身を含む): 61400160

約数和(自身を除く): 36205640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 3727, 6760, 7454, 14908, 18635, 29816, 37270, 48451, 74540, 96902, 149080, 193804, 242255, 387608, 484510, 629863, 969020, 1259726, 1938040, 2519452, 3149315, 5038904, 6298630, 12597260, 25194520]

約数ペア:

[(1, 25194520), (2, 12597260), (4, 6298630), (5, 5038904), (8, 3149315), (10, 2519452), (13, 1938040), (20, 1259726), (26, 969020), (40, 629863), (52, 484510), (65, 387608), (104, 242255), (130, 193804), (169, 149080), (260, 96902), (338, 74540), (520, 48451), (676, 37270), (845, 29816), (1352, 18635), (1690, 14908), (3380, 7454), (3727, 6760)]