2497820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 5687640

約数和(自身を除く): 3189820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 739, 845, 1478, 1690, 2956, 3380, 3695, 7390, 9607, 14780, 19214, 38428, 48035, 96070, 124891, 192140, 249782, 499564, 624455, 1248910, 2497820]

約数ペア:

[(1, 2497820), (2, 1248910), (4, 624455), (5, 499564), (10, 249782), (13, 192140), (20, 124891), (26, 96070), (52, 48035), (65, 38428), (130, 19214), (169, 14780), (260, 9607), (338, 7390), (676, 3695), (739, 3380), (845, 2956), (1478, 1690)]