861424240

素因数分解:

$2^4\times 5^1\times {\mathrm{3221}}^1\times {\mathrm{3343}}^1$

素因数の和:6577

約数の個数: 40

約数和(自身を含む): 2004032448

約数和(自身を除く): 1142608208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3221, 3343, 6442, 6686, 12884, 13372, 16105, 16715, 25768, 26744, 32210, 33430, 51536, 53488, 64420, 66860, 128840, 133720, 257680, 267440, 10767803, 21535606, 43071212, 53839015, 86142424, 107678030, 172284848, 215356060, 430712120, 861424240]

約数ペア:

[(1, 861424240), (2, 430712120), (4, 215356060), (5, 172284848), (8, 107678030), (10, 86142424), (16, 53839015), (20, 43071212), (40, 21535606), (80, 10767803), (3221, 267440), (3343, 257680), (6442, 133720), (6686, 128840), (12884, 66860), (13372, 64420), (16105, 53488), (16715, 51536), (25768, 33430), (26744, 32210)]