28432300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21898

約数の個数: 36

約数和(自身を含む): 66447136

約数和(自身を除く): 38014836

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21871, 43742, 87484, 109355, 218710, 284323, 437420, 546775, 568646, 1093550, 1137292, 1421615, 2187100, 2843230, 5686460, 7108075, 14216150, 28432300]

約数ペア:

[(1, 28432300), (2, 14216150), (4, 7108075), (5, 5686460), (10, 2843230), (13, 2187100), (20, 1421615), (25, 1137292), (26, 1093550), (50, 568646), (52, 546775), (65, 437420), (100, 284323), (130, 218710), (260, 109355), (325, 87484), (650, 43742), (1300, 21871)]