20070100

素因数分解:

$2^2\times 5^2\times {\mathrm{419}}^1\times {\mathrm{479}}^1$

素因数の和:912

約数の個数: 36

約数和(自身を含む): 43747200

約数和(自身を除く): 23677100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 419, 479, 838, 958, 1676, 1916, 2095, 2395, 4190, 4790, 8380, 9580, 10475, 11975, 20950, 23950, 41900, 47900, 200701, 401402, 802804, 1003505, 2007010, 4014020, 5017525, 10035050, 20070100]

約数ペア:

[(1, 20070100), (2, 10035050), (4, 5017525), (5, 4014020), (10, 2007010), (20, 1003505), (25, 802804), (50, 401402), (100, 200701), (419, 47900), (479, 41900), (838, 23950), (958, 20950), (1676, 11975), (1916, 10475), (2095, 9580), (2395, 8380), (4190, 4790)]