8423680

素因数分解:

$2^8\times 5^1\times {\mathrm{6581}}^1$

素因数の和:6602

約数の個数: 36

約数和(自身を含む): 20180412

約数和(自身を除く): 11756732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6581, 13162, 26324, 32905, 52648, 65810, 105296, 131620, 210592, 263240, 421184, 526480, 842368, 1052960, 1684736, 2105920, 4211840, 8423680]

約数ペア:

[(1, 8423680), (2, 4211840), (4, 2105920), (5, 1684736), (8, 1052960), (10, 842368), (16, 526480), (20, 421184), (32, 263240), (40, 210592), (64, 131620), (80, 105296), (128, 65810), (160, 52648), (256, 32905), (320, 26324), (640, 13162), (1280, 6581)]