249643120

素因数分解:

$2^4\times 5^1\times {\mathrm{3120539}}^1$

素因数の和:3120552

約数の個数: 20

約数和(自身を含む): 580420440

約数和(自身を除く): 330777320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3120539, 6241078, 12482156, 15602695, 24964312, 31205390, 49928624, 62410780, 124821560, 249643120]

約数ペア:

[(1, 249643120), (2, 124821560), (4, 62410780), (5, 49928624), (8, 31205390), (10, 24964312), (16, 15602695), (20, 12482156), (40, 6241078), (80, 3120539)]