61386620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 134719200

約数和(自身を除く): 73332580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 971, 1090, 1942, 2180, 3161, 3884, 4855, 6322, 9710, 12644, 15805, 19420, 28159, 31610, 56318, 63220, 105839, 112636, 140795, 211678, 281590, 423356, 529195, 563180, 1058390, 2116780, 3069331, 6138662, 12277324, 15346655, 30693310, 61386620]

約数ペア:

[(1, 61386620), (2, 30693310), (4, 15346655), (5, 12277324), (10, 6138662), (20, 3069331), (29, 2116780), (58, 1058390), (109, 563180), (116, 529195), (145, 423356), (218, 281590), (290, 211678), (436, 140795), (545, 112636), (580, 105839), (971, 63220), (1090, 56318), (1942, 31610), (2180, 28159), (3161, 19420), (3884, 15805), (4855, 12644), (6322, 9710)]