2005493480

素因数分解:

$2^3\times 5^1\times {\mathrm{9419}}^1\times {\mathrm{5323}}^1$

素因数の和:14753

約数の個数: 32

約数和(自身を含む): 4513687200

約数和(自身を除く): 2508193720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5323, 9419, 10646, 18838, 21292, 26615, 37676, 42584, 47095, 53230, 75352, 94190, 106460, 188380, 212920, 376760, 50137337, 100274674, 200549348, 250686685, 401098696, 501373370, 1002746740, 2005493480]

約数ペア:

[(1, 2005493480), (2, 1002746740), (4, 501373370), (5, 401098696), (8, 250686685), (10, 200549348), (20, 100274674), (40, 50137337), (5323, 376760), (9419, 212920), (10646, 188380), (18838, 106460), (21292, 94190), (26615, 75352), (37676, 53230), (42584, 47095)]