81350230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{11807}}^1$

素因数の和:11880

約数の個数: 32

約数和(自身を含む): 160683264

約数和(自身を除く): 79333034

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 11807, 23614, 59035, 118070, 153491, 306982, 625771, 767455, 1251542, 1534910, 3128855, 6257710, 8135023, 16270046, 40675115, 81350230]

約数ペア:

[(1, 81350230), (2, 40675115), (5, 16270046), (10, 8135023), (13, 6257710), (26, 3128855), (53, 1534910), (65, 1251542), (106, 767455), (130, 625771), (265, 306982), (530, 153491), (689, 118070), (1378, 59035), (3445, 23614), (6890, 11807)]