84731720

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2851}}^1$

素因数の和:3605

約数の個数: 32

約数和(自身を含む): 190969920

約数和(自身を除く): 106238200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2851, 2972, 3715, 5702, 5944, 7430, 11404, 14255, 14860, 22808, 28510, 29720, 57020, 114040, 2118293, 4236586, 8473172, 10591465, 16946344, 21182930, 42365860, 84731720]

約数ペア:

[(1, 84731720), (2, 42365860), (4, 21182930), (5, 16946344), (8, 10591465), (10, 8473172), (20, 4236586), (40, 2118293), (743, 114040), (1486, 57020), (2851, 29720), (2972, 28510), (3715, 22808), (5702, 14860), (5944, 14255), (7430, 11404)]