80030480

素因数分解:

$2^4\times 5^1\times {\mathrm{1000381}}^1$

素因数の和:1000394

約数の個数: 20

約数和(自身を含む): 186071052

約数和(自身を除く): 106040572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1000381, 2000762, 4001524, 5001905, 8003048, 10003810, 16006096, 20007620, 40015240, 80030480]

約数ペア:

[(1, 80030480), (2, 40015240), (4, 20007620), (5, 16006096), (8, 10003810), (10, 8003048), (16, 5001905), (20, 4001524), (40, 2000762), (80, 1000381)]