8439680

素因数分解:

$2^7\times 5^1\times {\mathrm{13187}}^1$

素因数の和:13206

約数の個数: 32

約数和(自身を含む): 20177640

約数和(自身を除く): 11737960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13187, 26374, 52748, 65935, 105496, 131870, 210992, 263740, 421984, 527480, 843968, 1054960, 1687936, 2109920, 4219840, 8439680]

約数ペア:

[(1, 8439680), (2, 4219840), (4, 2109920), (5, 1687936), (8, 1054960), (10, 843968), (16, 527480), (20, 421984), (32, 263740), (40, 210992), (64, 131870), (80, 105496), (128, 65935), (160, 52748), (320, 26374), (640, 13187)]