51288560

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1151}}^1$

素因数の和:1721

約数の個数: 40

約数和(自身を含む): 119563776

約数和(自身を除く): 68275216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 1151, 2228, 2302, 2785, 4456, 4604, 5570, 5755, 8912, 9208, 11140, 11510, 18416, 22280, 23020, 44560, 46040, 92080, 641107, 1282214, 2564428, 3205535, 5128856, 6411070, 10257712, 12822140, 25644280, 51288560]

約数ペア:

[(1, 51288560), (2, 25644280), (4, 12822140), (5, 10257712), (8, 6411070), (10, 5128856), (16, 3205535), (20, 2564428), (40, 1282214), (80, 641107), (557, 92080), (1114, 46040), (1151, 44560), (2228, 23020), (2302, 22280), (2785, 18416), (4456, 11510), (4604, 11140), (5570, 9208), (5755, 8912)]