64640550

素因数分解:

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

素因数の和:33177

約数の個数: 48

約数和(自身を含む): 172645200

約数和(自身を除く): 108004650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 33149, 66298, 99447, 165745, 198894, 331490, 430937, 497235, 828725, 861874, 994470, 1292811, 1657450, 2154685, 2486175, 2585622, 4309370, 4972350, 6464055, 10773425, 12928110, 21546850, 32320275, 64640550]

約数ペア:

[(1, 64640550), (2, 32320275), (3, 21546850), (5, 12928110), (6, 10773425), (10, 6464055), (13, 4972350), (15, 4309370), (25, 2585622), (26, 2486175), (30, 2154685), (39, 1657450), (50, 1292811), (65, 994470), (75, 861874), (78, 828725), (130, 497235), (150, 430937), (195, 331490), (325, 198894), (390, 165745), (650, 99447), (975, 66298), (1950, 33149)]