79771840

素因数分解:

$2^6\times 5^1\times {\mathrm{249287}}^1$

素因数の和:249304

約数の個数: 28

約数和(自身を含む): 189957456

約数和(自身を除く): 110185616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 249287, 498574, 997148, 1246435, 1994296, 2492870, 3988592, 4985740, 7977184, 9971480, 15954368, 19942960, 39885920, 79771840]

約数ペア:

[(1, 79771840), (2, 39885920), (4, 19942960), (5, 15954368), (8, 9971480), (10, 7977184), (16, 4985740), (20, 3988592), (32, 2492870), (40, 1994296), (64, 1246435), (80, 997148), (160, 498574), (320, 249287)]