2054260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7901}}^1$

素因数の和:7923

約数の個数: 24

約数和(自身を含む): 4646376

約数和(自身を除く): 2592116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7901, 15802, 31604, 39505, 79010, 102713, 158020, 205426, 410852, 513565, 1027130, 2054260]

約数ペア:

[(1, 2054260), (2, 1027130), (4, 513565), (5, 410852), (10, 205426), (13, 158020), (20, 102713), (26, 79010), (52, 39505), (65, 31604), (130, 15802), (260, 7901)]