25064840

素因数分解:

$2^3\times 5^1\times {\mathrm{626621}}^1$

素因数の和:626632

約数の個数: 16

約数和(自身を含む): 56395980

約数和(自身を除く): 31331140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 626621, 1253242, 2506484, 3133105, 5012968, 6266210, 12532420, 25064840]

約数ペア:

[(1, 25064840), (2, 12532420), (4, 6266210), (5, 5012968), (8, 3133105), (10, 2506484), (20, 1253242), (40, 626621)]