8421440

素因数分解:

$2^6\times 5^1\times {\mathrm{26317}}^1$

素因数の和:26334

約数の個数: 28

約数和(自身を含む): 20054316

約数和(自身を除く): 11632876

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 26317, 52634, 105268, 131585, 210536, 263170, 421072, 526340, 842144, 1052680, 1684288, 2105360, 4210720, 8421440]

約数ペア:

[(1, 8421440), (2, 4210720), (4, 2105360), (5, 1684288), (8, 1052680), (10, 842144), (16, 526340), (20, 421072), (32, 263170), (40, 210536), (64, 131585), (80, 105268), (160, 52634), (320, 26317)]