51222020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1907}}^1$

素因数の和:2012

約数の個数: 48

約数和(自身を含む): 115395840

約数和(自身を除く): 64173820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 1907, 2686, 3814, 5372, 6715, 7628, 9535, 13430, 19070, 26860, 32419, 38140, 64838, 129676, 150653, 162095, 301306, 324190, 602612, 648380, 753265, 1506530, 2561101, 3013060, 5122202, 10244404, 12805505, 25611010, 51222020]

約数ペア:

[(1, 51222020), (2, 25611010), (4, 12805505), (5, 10244404), (10, 5122202), (17, 3013060), (20, 2561101), (34, 1506530), (68, 753265), (79, 648380), (85, 602612), (158, 324190), (170, 301306), (316, 162095), (340, 150653), (395, 129676), (790, 64838), (1343, 38140), (1580, 32419), (1907, 26860), (2686, 19070), (3814, 13430), (5372, 9535), (6715, 7628)]