495856720

素因数分解:

$2^4\times 5^1\times {\mathrm{6198209}}^1$

素因数の和:6198222

約数の個数: 20

約数和(自身を含む): 1152867060

約数和(自身を除く): 657010340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6198209, 12396418, 24792836, 30991045, 49585672, 61982090, 99171344, 123964180, 247928360, 495856720]

約数ペア:

[(1, 495856720), (2, 247928360), (4, 123964180), (5, 99171344), (8, 61982090), (10, 49585672), (16, 30991045), (20, 24792836), (40, 12396418), (80, 6198209)]