25856220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33149}}^1$

素因数の和:33174

約数の個数: 48

約数和(自身を含む): 77968800

約数和(自身を除く): 52112580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 33149, 66298, 99447, 132596, 165745, 198894, 331490, 397788, 430937, 497235, 662980, 861874, 994470, 1292811, 1723748, 1988940, 2154685, 2585622, 4309370, 5171244, 6464055, 8618740, 12928110, 25856220]

約数ペア:

[(1, 25856220), (2, 12928110), (3, 8618740), (4, 6464055), (5, 5171244), (6, 4309370), (10, 2585622), (12, 2154685), (13, 1988940), (15, 1723748), (20, 1292811), (26, 994470), (30, 861874), (39, 662980), (52, 497235), (60, 430937), (65, 397788), (78, 331490), (130, 198894), (156, 165745), (195, 132596), (260, 99447), (390, 66298), (780, 33149)]