514960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 1234296

約数和(自身を除く): 719336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 157, 164, 205, 314, 328, 410, 628, 656, 785, 820, 1256, 1570, 1640, 2512, 3140, 3280, 6280, 6437, 12560, 12874, 25748, 32185, 51496, 64370, 102992, 128740, 257480, 514960]

約数ペア:

[(1, 514960), (2, 257480), (4, 128740), (5, 102992), (8, 64370), (10, 51496), (16, 32185), (20, 25748), (40, 12874), (41, 12560), (80, 6437), (82, 6280), (157, 3280), (164, 3140), (205, 2512), (314, 1640), (328, 1570), (410, 1256), (628, 820), (656, 785)]