20338000

素因数分解:

$2^4\times 5^3\times {\mathrm{10169}}^1$

素因数の和:10192

約数の個数: 40

約数和(自身を含む): 49182120

約数和(自身を除く): 28844120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10169, 20338, 40676, 50845, 81352, 101690, 162704, 203380, 254225, 406760, 508450, 813520, 1016900, 1271125, 2033800, 2542250, 4067600, 5084500, 10169000, 20338000]

約数ペア:

[(1, 20338000), (2, 10169000), (4, 5084500), (5, 4067600), (8, 2542250), (10, 2033800), (16, 1271125), (20, 1016900), (25, 813520), (40, 508450), (50, 406760), (80, 254225), (100, 203380), (125, 162704), (200, 101690), (250, 81352), (400, 50845), (500, 40676), (1000, 20338), (2000, 10169)]