39751480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13997}}^1$

素因数の和:14079

約数の個数: 32

約数和(自身を含む): 90707040

約数和(自身を除く): 50955560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13997, 27994, 55988, 69985, 111976, 139970, 279940, 559880, 993787, 1987574, 3975148, 4968935, 7950296, 9937870, 19875740, 39751480]

約数ペア:

[(1, 39751480), (2, 19875740), (4, 9937870), (5, 7950296), (8, 4968935), (10, 3975148), (20, 1987574), (40, 993787), (71, 559880), (142, 279940), (284, 139970), (355, 111976), (568, 69985), (710, 55988), (1420, 27994), (2840, 13997)]