40008904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{384701}}^1$

素因数の和:384720

約数の個数: 16

約数和(自身を含む): 80787420

約数和(自身を除く): 40778516

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 384701, 769402, 1538804, 3077608, 5001113, 10002226, 20004452, 40008904]

約数ペア:

[(1, 40008904), (2, 20004452), (4, 10002226), (8, 5001113), (13, 3077608), (26, 1538804), (52, 769402), (104, 384701)]