80867500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{4621}}^1$

素因数の和:4652

約数の個数: 60

約数和(自身を含む): 202147792

約数和(自身を除く): 121280292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2500, 3500, 4375, 4621, 8750, 9242, 17500, 18484, 23105, 32347, 46210, 64694, 92420, 115525, 129388, 161735, 231050, 323470, 462100, 577625, 646940, 808675, 1155250, 1617350, 2310500, 2888125, 3234700, 4043375, 5776250, 8086750, 11552500, 16173500, 20216875, 40433750, 80867500]

約数ペア:

[(1, 80867500), (2, 40433750), (4, 20216875), (5, 16173500), (7, 11552500), (10, 8086750), (14, 5776250), (20, 4043375), (25, 3234700), (28, 2888125), (35, 2310500), (50, 1617350), (70, 1155250), (100, 808675), (125, 646940), (140, 577625), (175, 462100), (250, 323470), (350, 231050), (500, 161735), (625, 129388), (700, 115525), (875, 92420), (1250, 64694), (1750, 46210), (2500, 32347), (3500, 23105), (4375, 18484), (4621, 17500), (8750, 9242)]