3948440

素因数分解:

$2^3\times 5^1\times {\mathrm{98711}}^1$

素因数の和:98722

約数の個数: 16

約数和(自身を含む): 8884080

約数和(自身を除く): 4935640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 98711, 197422, 394844, 493555, 789688, 987110, 1974220, 3948440]

約数ペア:

[(1, 3948440), (2, 1974220), (4, 987110), (5, 789688), (8, 493555), (10, 394844), (20, 197422), (40, 98711)]