28556770180

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1116371}}^1$

素因数の和:1117659

約数の個数: 24

約数和(自身を含む): 60016158720

約数和(自身を除く): 31459388540

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6395, 12790, 25580, 1116371, 2232742, 4465484, 5581855, 11163710, 22327420, 1427838509, 2855677018, 5711354036, 7139192545, 14278385090, 28556770180]

約数ペア:

[(1, 28556770180), (2, 14278385090), (4, 7139192545), (5, 5711354036), (10, 2855677018), (20, 1427838509), (1279, 22327420), (2558, 11163710), (5116, 5581855), (6395, 4465484), (12790, 2232742), (25580, 1116371)]