85485140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{328789}}^1$

素因数の和:328811

約数の個数: 24

約数和(自身を含む): 193328520

約数和(自身を除く): 107843380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 328789, 657578, 1315156, 1643945, 3287890, 4274257, 6575780, 8548514, 17097028, 21371285, 42742570, 85485140]

約数ペア:

[(1, 85485140), (2, 42742570), (4, 21371285), (5, 17097028), (10, 8548514), (13, 6575780), (20, 4274257), (26, 3287890), (52, 1643945), (65, 1315156), (130, 657578), (260, 328789)]