39601880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 93139200

約数和(自身を除く): 53537320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 293, 310, 436, 545, 586, 620, 872, 1090, 1172, 1240, 1465, 2180, 2344, 2930, 3379, 4360, 5860, 6758, 9083, 11720, 13516, 16895, 18166, 27032, 31937, 33790, 36332, 45415, 63874, 67580, 72664, 90830, 127748, 135160, 159685, 181660, 255496, 319370, 363320, 638740, 990047, 1277480, 1980094, 3960188, 4950235, 7920376, 9900470, 19800940, 39601880]

約数ペア:

[(1, 39601880), (2, 19800940), (4, 9900470), (5, 7920376), (8, 4950235), (10, 3960188), (20, 1980094), (31, 1277480), (40, 990047), (62, 638740), (109, 363320), (124, 319370), (155, 255496), (218, 181660), (248, 159685), (293, 135160), (310, 127748), (436, 90830), (545, 72664), (586, 67580), (620, 63874), (872, 45415), (1090, 36332), (1172, 33790), (1240, 31937), (1465, 27032), (2180, 18166), (2344, 16895), (2930, 13516), (3379, 11720), (4360, 9083), (5860, 6758)]