1227291280

素因数分解:

$2^4\times 5^1\times {\mathrm{15341141}}^1$

素因数の和:15341154

約数の個数: 20

約数和(自身を含む): 2853452412

約数和(自身を除く): 1626161132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15341141, 30682282, 61364564, 76705705, 122729128, 153411410, 245458256, 306822820, 613645640, 1227291280]

約数ペア:

[(1, 1227291280), (2, 613645640), (4, 306822820), (5, 245458256), (8, 153411410), (10, 122729128), (16, 76705705), (20, 61364564), (40, 30682282), (80, 15341141)]