133731280

素因数分解:

$2^4\times 5^1\times {\mathrm{1671641}}^1$

素因数の和:1671654

約数の個数: 20

約数和(自身を含む): 310925412

約数和(自身を除く): 177194132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1671641, 3343282, 6686564, 8358205, 13373128, 16716410, 26746256, 33432820, 66865640, 133731280]

約数ペア:

[(1, 133731280), (2, 66865640), (4, 33432820), (5, 26746256), (8, 16716410), (10, 13373128), (16, 8358205), (20, 6686564), (40, 3343282), (80, 1671641)]