25745980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99023}}^1$

素因数の和:99045

約数の個数: 24

約数和(自身を含む): 58226112

約数和(自身を除く): 32480132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99023, 198046, 396092, 495115, 990230, 1287299, 1980460, 2574598, 5149196, 6436495, 12872990, 25745980]

約数ペア:

[(1, 25745980), (2, 12872990), (4, 6436495), (5, 5149196), (10, 2574598), (13, 1980460), (20, 1287299), (26, 990230), (52, 495115), (65, 396092), (130, 198046), (260, 99023)]