51359960

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1811}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 115786800

約数和(自身を除く): 64426840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 1811, 2836, 3545, 3622, 5672, 7090, 7244, 9055, 14180, 14488, 18110, 28360, 36220, 72440, 1283999, 2567998, 5135996, 6419995, 10271992, 12839990, 25679980, 51359960]

約数ペア:

[(1, 51359960), (2, 25679980), (4, 12839990), (5, 10271992), (8, 6419995), (10, 5135996), (20, 2567998), (40, 1283999), (709, 72440), (1418, 36220), (1811, 28360), (2836, 18110), (3545, 14488), (3622, 14180), (5672, 9055), (7090, 7244)]