40405424

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{41399}}^1$

素因数の和:41468

約数の個数: 20

約数和(自身を含む): 79570800

約数和(自身を除く): 39165376

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 41399, 82798, 165596, 331192, 662384, 2525339, 5050678, 10101356, 20202712, 40405424]

約数ペア:

[(1, 40405424), (2, 20202712), (4, 10101356), (8, 5050678), (16, 2525339), (61, 662384), (122, 331192), (244, 165596), (488, 82798), (976, 41399)]