3984920

素因数分解:

$2^3\times 5^1\times {\mathrm{99623}}^1$

素因数の和:99634

約数の個数: 16

約数和(自身を含む): 8966160

約数和(自身を除く): 4981240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99623, 199246, 398492, 498115, 796984, 996230, 1992460, 3984920]

約数ペア:

[(1, 3984920), (2, 1992460), (4, 996230), (5, 796984), (8, 498115), (10, 398492), (20, 199246), (40, 99623)]