5205140

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 10978632

約数和(自身を除く): 5773492

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 821, 1268, 1585, 1642, 3170, 3284, 4105, 6340, 8210, 16420, 260257, 520514, 1041028, 1301285, 2602570, 5205140]

約数ペア:

[(1, 5205140), (2, 2602570), (4, 1301285), (5, 1041028), (10, 520514), (20, 260257), (317, 16420), (634, 8210), (821, 6340), (1268, 4105), (1585, 3284), (1642, 3170)]