20161651480

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1427879}}^1$

素因数の和:1428243

約数の個数: 32

約数和(自身を含む): 45492256800

約数和(自身を除く): 25330605320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 1427879, 2855758, 5711516, 7139395, 11423032, 14278790, 28557580, 57115160, 504041287, 1008082574, 2016165148, 2520206435, 4032330296, 5040412870, 10080825740, 20161651480]

約数ペア:

[(1, 20161651480), (2, 10080825740), (4, 5040412870), (5, 4032330296), (8, 2520206435), (10, 2016165148), (20, 1008082574), (40, 504041287), (353, 57115160), (706, 28557580), (1412, 14278790), (1765, 11423032), (2824, 7139395), (3530, 5711516), (7060, 2855758), (14120, 1427879)]