2005996175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1259}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 2767322880

約数和(自身を除く): 761326705

約数列:

[1, 5, 17, 23, 25, 85, 115, 163, 391, 425, 575, 815, 1259, 1955, 2771, 3749, 4075, 6295, 9775, 13855, 18745, 21403, 28957, 31475, 63733, 69275, 93725, 107015, 144785, 205217, 318665, 492269, 535075, 723925, 1026085, 1593325, 2461345, 3488689, 4719991, 5130425, 12306725, 17443445, 23599955, 80239847, 87217225, 117999775, 401199235, 2005996175]

約数ペア:

[(1, 2005996175), (5, 401199235), (17, 117999775), (23, 87217225), (25, 80239847), (85, 23599955), (115, 17443445), (163, 12306725), (391, 5130425), (425, 4719991), (575, 3488689), (815, 2461345), (1259, 1593325), (1955, 1026085), (2771, 723925), (3749, 535075), (4075, 492269), (6295, 318665), (9775, 205217), (13855, 144785), (18745, 107015), (21403, 93725), (28957, 69275), (31475, 63733)]