5200404280

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{196687}}^1$

素因数の和:197359

約数の個数: 32

約数和(自身を含む): 11718671040

約数和(自身を除く): 6518266760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 6610, 13220, 26440, 196687, 393374, 786748, 983435, 1573496, 1966870, 3933740, 7867480, 130010107, 260020214, 520040428, 650050535, 1040080856, 1300101070, 2600202140, 5200404280]

約数ペア:

[(1, 5200404280), (2, 2600202140), (4, 1300101070), (5, 1040080856), (8, 650050535), (10, 520040428), (20, 260020214), (40, 130010107), (661, 7867480), (1322, 3933740), (2644, 1966870), (3305, 1573496), (5288, 983435), (6610, 786748), (13220, 393374), (26440, 196687)]