4628020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 36

約数和(自身を含む): 10273284

約数和(自身を除く): 5645264

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 641, 722, 1282, 1444, 1805, 2564, 3205, 3610, 6410, 7220, 12179, 12820, 24358, 48716, 60895, 121790, 231401, 243580, 462802, 925604, 1157005, 2314010, 4628020]

約数ペア:

[(1, 4628020), (2, 2314010), (4, 1157005), (5, 925604), (10, 462802), (19, 243580), (20, 231401), (38, 121790), (76, 60895), (95, 48716), (190, 24358), (361, 12820), (380, 12179), (641, 7220), (722, 6410), (1282, 3610), (1444, 3205), (1805, 2564)]