8168020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 20095488

約数和(自身を除く): 11927468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1423, 1435, 2846, 2870, 5692, 5740, 7115, 9961, 14230, 19922, 28460, 39844, 49805, 58343, 99610, 116686, 199220, 233372, 291715, 408401, 583430, 816802, 1166860, 1633604, 2042005, 4084010, 8168020]

約数ペア:

[(1, 8168020), (2, 4084010), (4, 2042005), (5, 1633604), (7, 1166860), (10, 816802), (14, 583430), (20, 408401), (28, 291715), (35, 233372), (41, 199220), (70, 116686), (82, 99610), (140, 58343), (164, 49805), (205, 39844), (287, 28460), (410, 19922), (574, 14230), (820, 9961), (1148, 7115), (1423, 5740), (1435, 5692), (2846, 2870)]