25404440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13513}}^1$

素因数の和:13571

約数の個数: 32

約数和(自身を含む): 58380480

約数和(自身を除く): 32976040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 13513, 27026, 54052, 67565, 108104, 135130, 270260, 540520, 635111, 1270222, 2540444, 3175555, 5080888, 6351110, 12702220, 25404440]

約数ペア:

[(1, 25404440), (2, 12702220), (4, 6351110), (5, 5080888), (8, 3175555), (10, 2540444), (20, 1270222), (40, 635111), (47, 540520), (94, 270260), (188, 135130), (235, 108104), (376, 67565), (470, 54052), (940, 27026), (1880, 13513)]