85687540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 186701760

約数和(自身を除く): 101014220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 820, 830, 1259, 1660, 2518, 3403, 5036, 6295, 6806, 12590, 13612, 17015, 25180, 34030, 51619, 68060, 103238, 104497, 206476, 208994, 258095, 417988, 516190, 522485, 1032380, 1044970, 2089940, 4284377, 8568754, 17137508, 21421885, 42843770, 85687540]

約数ペア:

[(1, 85687540), (2, 42843770), (4, 21421885), (5, 17137508), (10, 8568754), (20, 4284377), (41, 2089940), (82, 1044970), (83, 1032380), (164, 522485), (166, 516190), (205, 417988), (332, 258095), (410, 208994), (415, 206476), (820, 104497), (830, 103238), (1259, 68060), (1660, 51619), (2518, 34030), (3403, 25180), (5036, 17015), (6295, 13612), (6806, 12590)]