30910480

素因数分解:

$2^4\times 5^1\times {\mathrm{386381}}^1$

素因数の和:386394

約数の個数: 20

約数和(自身を含む): 71867052

約数和(自身を除く): 40956572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386381, 772762, 1545524, 1931905, 3091048, 3863810, 6182096, 7727620, 15455240, 30910480]

約数ペア:

[(1, 30910480), (2, 15455240), (4, 7727620), (5, 6182096), (8, 3863810), (10, 3091048), (16, 1931905), (20, 1545524), (40, 772762), (80, 386381)]