28058680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53959}}^1$

素因数の和:53983

約数の個数: 32

約数和(自身を含む): 67989600

約数和(自身を除く): 39930920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 53959, 107918, 215836, 269795, 431672, 539590, 701467, 1079180, 1402934, 2158360, 2805868, 3507335, 5611736, 7014670, 14029340, 28058680]

約数ペア:

[(1, 28058680), (2, 14029340), (4, 7014670), (5, 5611736), (8, 3507335), (10, 2805868), (13, 2158360), (20, 1402934), (26, 1079180), (40, 701467), (52, 539590), (65, 431672), (104, 269795), (130, 215836), (260, 107918), (520, 53959)]