40985386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{2003}}^1$

素因数の和:2805

約数の個数: 16

約数和(自身を含む): 66324384

約数和(自身を除く): 25338998

約数列:

[1, 2, 13, 26, 787, 1574, 2003, 4006, 10231, 20462, 26039, 52078, 1576361, 3152722, 20492693, 40985386]

約数ペア:

[(1, 40985386), (2, 20492693), (13, 3152722), (26, 1576361), (787, 52078), (1574, 26039), (2003, 20462), (4006, 10231)]