39679840

素因数分解:

$2^5\times 5^1\times {\mathrm{247999}}^1$

素因数の和:248014

約数の個数: 24

約数和(自身を含む): 93744000

約数和(自身を除く): 54064160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 247999, 495998, 991996, 1239995, 1983992, 2479990, 3967984, 4959980, 7935968, 9919960, 19839920, 39679840]

約数ペア:

[(1, 39679840), (2, 19839920), (4, 9919960), (5, 7935968), (8, 4959980), (10, 3967984), (16, 2479990), (20, 1983992), (32, 1239995), (40, 991996), (80, 495998), (160, 247999)]