28634780

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2269}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 60254880

約数和(自身を除く): 31620100

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2269, 2524, 3155, 4538, 6310, 9076, 11345, 12620, 22690, 45380, 1431739, 2863478, 5726956, 7158695, 14317390, 28634780]

約数ペア:

[(1, 28634780), (2, 14317390), (4, 7158695), (5, 5726956), (10, 2863478), (20, 1431739), (631, 45380), (1262, 22690), (2269, 12620), (2524, 11345), (3155, 9076), (4538, 6310)]