89079680

素因数分解:

$2^7\times 5^1\times {\mathrm{139187}}^1$

素因数の和:139206

約数の個数: 32

約数和(自身を含む): 212957640

約数和(自身を除く): 123877960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 139187, 278374, 556748, 695935, 1113496, 1391870, 2226992, 2783740, 4453984, 5567480, 8907968, 11134960, 17815936, 22269920, 44539840, 89079680]

約数ペア:

[(1, 89079680), (2, 44539840), (4, 22269920), (5, 17815936), (8, 11134960), (10, 8907968), (16, 5567480), (20, 4453984), (32, 2783740), (40, 2226992), (64, 1391870), (80, 1113496), (128, 695935), (160, 556748), (320, 278374), (640, 139187)]