2016736720

素因数分解:

$2^4\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{14107}}^1$

素因数の和:15907

約数の個数: 40

約数和(自身を含む): 4691869344

約数和(自身を除く): 2675132624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1787, 3574, 7148, 8935, 14107, 14296, 17870, 28214, 28592, 35740, 56428, 70535, 71480, 112856, 141070, 142960, 225712, 282140, 564280, 1128560, 25209209, 50418418, 100836836, 126046045, 201673672, 252092090, 403347344, 504184180, 1008368360, 2016736720]

約数ペア:

[(1, 2016736720), (2, 1008368360), (4, 504184180), (5, 403347344), (8, 252092090), (10, 201673672), (16, 126046045), (20, 100836836), (40, 50418418), (80, 25209209), (1787, 1128560), (3574, 564280), (7148, 282140), (8935, 225712), (14107, 142960), (14296, 141070), (17870, 112856), (28214, 71480), (28592, 70535), (35740, 56428)]