12747470480

素因数分解:

$2^4\times 5^1\times {\mathrm{159343381}}^1$

素因数の和:159343394

約数の個数: 20

約数和(自身を含む): 29637869052

約数和(自身を除く): 16890398572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159343381, 318686762, 637373524, 796716905, 1274747048, 1593433810, 2549494096, 3186867620, 6373735240, 12747470480]

約数ペア:

[(1, 12747470480), (2, 6373735240), (4, 3186867620), (5, 2549494096), (8, 1593433810), (10, 1274747048), (16, 796716905), (20, 637373524), (40, 318686762), (80, 159343381)]