40564840

素因数分解:

$2^3\times 5^1\times {\mathrm{1014121}}^1$

素因数の和:1014132

約数の個数: 16

約数和(自身を含む): 91270980

約数和(自身を除く): 50706140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1014121, 2028242, 4056484, 5070605, 8112968, 10141210, 20282420, 40564840]

約数ペア:

[(1, 40564840), (2, 20282420), (4, 10141210), (5, 8112968), (8, 5070605), (10, 4056484), (20, 2028242), (40, 1014121)]