105579440

素因数分解:

$2^4\times 5^1\times {\mathrm{1319743}}^1$

素因数の和:1319756

約数の個数: 20

約数和(自身を含む): 245472384

約数和(自身を除く): 139892944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1319743, 2639486, 5278972, 6598715, 10557944, 13197430, 21115888, 26394860, 52789720, 105579440]

約数ペア:

[(1, 105579440), (2, 52789720), (4, 26394860), (5, 21115888), (8, 13197430), (10, 10557944), (16, 6598715), (20, 5278972), (40, 2639486), (80, 1319743)]