202794580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{128351}}^1$

素因数の和:128439

約数の個数: 24

約数和(自身を含む): 431262720

約数和(自身を除く): 228468140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 128351, 256702, 513404, 641755, 1283510, 2567020, 10139729, 20279458, 40558916, 50698645, 101397290, 202794580]

約数ペア:

[(1, 202794580), (2, 101397290), (4, 50698645), (5, 40558916), (10, 20279458), (20, 10139729), (79, 2567020), (158, 1283510), (316, 641755), (395, 513404), (790, 256702), (1580, 128351)]