20228750

素因数分解:

$2^1\times 5^4\times {\mathrm{16183}}^1$

素因数の和:16205

約数の個数: 20

約数和(自身を含む): 37919112

約数和(自身を除く): 17690362

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16183, 32366, 80915, 161830, 404575, 809150, 2022875, 4045750, 10114375, 20228750]

約数ペア:

[(1, 20228750), (2, 10114375), (5, 4045750), (10, 2022875), (25, 809150), (50, 404575), (125, 161830), (250, 80915), (625, 32366), (1250, 16183)]