2654990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1571}}^1$

素因数の和:1604

約数の個数: 24

約数和(自身を含む): 5178168

約数和(自身を除く): 2523178

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1571, 1690, 3142, 7855, 15710, 20423, 40846, 102115, 204230, 265499, 530998, 1327495, 2654990]

約数ペア:

[(1, 2654990), (2, 1327495), (5, 530998), (10, 265499), (13, 204230), (26, 102115), (65, 40846), (130, 20423), (169, 15710), (338, 7855), (845, 3142), (1571, 1690)]