727220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2797}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 1645224

約数和(自身を除く): 918004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2797, 5594, 11188, 13985, 27970, 36361, 55940, 72722, 145444, 181805, 363610, 727220]

約数ペア:

[(1, 727220), (2, 363610), (4, 181805), (5, 145444), (10, 72722), (13, 55940), (20, 36361), (26, 27970), (52, 13985), (65, 11188), (130, 5594), (260, 2797)]