40510480

素因数分解:

$2^4\times 5^1\times {\mathrm{506381}}^1$

素因数の和:506394

約数の個数: 20

約数和(自身を含む): 94187052

約数和(自身を除く): 53676572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506381, 1012762, 2025524, 2531905, 4051048, 5063810, 8102096, 10127620, 20255240, 40510480]

約数ペア:

[(1, 40510480), (2, 20255240), (4, 10127620), (5, 8102096), (8, 5063810), (10, 4051048), (16, 2531905), (20, 2025524), (40, 1012762), (80, 506381)]