155519240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{82723}}^1$

素因数の和:82781

約数の個数: 32

約数和(自身を含む): 357367680

約数和(自身を除く): 201848440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 82723, 165446, 330892, 413615, 661784, 827230, 1654460, 3308920, 3887981, 7775962, 15551924, 19439905, 31103848, 38879810, 77759620, 155519240]

約数ペア:

[(1, 155519240), (2, 77759620), (4, 38879810), (5, 31103848), (8, 19439905), (10, 15551924), (20, 7775962), (40, 3887981), (47, 3308920), (94, 1654460), (188, 827230), (235, 661784), (376, 413615), (470, 330892), (940, 165446), (1880, 82723)]