210200090

素因数分解:

$2^1\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{20231}}^1$

素因数の和:21277

約数の個数: 16

約数和(自身を含む): 378743040

約数和(自身を除く): 168542950

約数列:

[1, 2, 5, 10, 1039, 2078, 5195, 10390, 20231, 40462, 101155, 202310, 21020009, 42040018, 105100045, 210200090]

約数ペア:

[(1, 210200090), (2, 105100045), (5, 42040018), (10, 21020009), (1039, 202310), (2078, 101155), (5195, 40462), (10390, 20231)]