51644240

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1759}}^1$

素因数の和:2139

約数の個数: 40

約数和(自身を含む): 120468480

約数和(自身を除く): 68824240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1468, 1759, 1835, 2936, 3518, 3670, 5872, 7036, 7340, 8795, 14072, 14680, 17590, 28144, 29360, 35180, 70360, 140720, 645553, 1291106, 2582212, 3227765, 5164424, 6455530, 10328848, 12911060, 25822120, 51644240]

約数ペア:

[(1, 51644240), (2, 25822120), (4, 12911060), (5, 10328848), (8, 6455530), (10, 5164424), (16, 3227765), (20, 2582212), (40, 1291106), (80, 645553), (367, 140720), (734, 70360), (1468, 35180), (1759, 29360), (1835, 28144), (2936, 17590), (3518, 14680), (3670, 14072), (5872, 8795), (7036, 7340)]