156946880

素因数分解:

$2^6\times 5^1\times {\mathrm{490459}}^1$

素因数の和:490476

約数の個数: 28

約数和(自身を含む): 373730520

約数和(自身を除く): 216783640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490459, 980918, 1961836, 2452295, 3923672, 4904590, 7847344, 9809180, 15694688, 19618360, 31389376, 39236720, 78473440, 156946880]

約数ペア:

[(1, 156946880), (2, 78473440), (4, 39236720), (5, 31389376), (8, 19618360), (10, 15694688), (16, 9809180), (20, 7847344), (32, 4904590), (40, 3923672), (64, 2452295), (80, 1961836), (160, 980918), (320, 490459)]