2065734520

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{62903}}^1$

素因数の和:63735

約数の個数: 32

約数和(自身を含む): 4653637920

約数和(自身を除く): 2587903400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 6568, 8210, 16420, 32840, 62903, 125806, 251612, 314515, 503224, 629030, 1258060, 2516120, 51643363, 103286726, 206573452, 258216815, 413146904, 516433630, 1032867260, 2065734520]

約数ペア:

[(1, 2065734520), (2, 1032867260), (4, 516433630), (5, 413146904), (8, 258216815), (10, 206573452), (20, 103286726), (40, 51643363), (821, 2516120), (1642, 1258060), (3284, 629030), (4105, 503224), (6568, 314515), (8210, 251612), (16420, 125806), (32840, 62903)]