28051400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10789}}^1$

素因数の和:10818

約数の個数: 48

約数和(自身を含む): 70242900

約数和(自身を除く): 42191500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 10789, 21578, 43156, 53945, 86312, 107890, 140257, 215780, 269725, 280514, 431560, 539450, 561028, 701285, 1078900, 1122056, 1402570, 2157800, 2805140, 3506425, 5610280, 7012850, 14025700, 28051400]

約数ペア:

[(1, 28051400), (2, 14025700), (4, 7012850), (5, 5610280), (8, 3506425), (10, 2805140), (13, 2157800), (20, 1402570), (25, 1122056), (26, 1078900), (40, 701285), (50, 561028), (52, 539450), (65, 431560), (100, 280514), (104, 269725), (130, 215780), (200, 140257), (260, 107890), (325, 86312), (520, 53945), (650, 43156), (1300, 21578), (2600, 10789)]