2010100

素因数分解:

$2^2\times 5^2\times {\mathrm{20101}}^1$

素因数の和:20115

約数の個数: 18

約数和(自身を含む): 4362134

約数和(自身を除く): 2352034

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20101, 40202, 80404, 100505, 201010, 402020, 502525, 1005050, 2010100]

約数ペア:

[(1, 2010100), (2, 1005050), (4, 502525), (5, 402020), (10, 201010), (20, 100505), (25, 80404), (50, 40202), (100, 20101)]