10685420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 23411808

約数和(自身を除く): 12726388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 157, 164, 166, 205, 314, 332, 410, 415, 628, 785, 820, 830, 1570, 1660, 3140, 3403, 6437, 6806, 12874, 13031, 13612, 17015, 25748, 26062, 32185, 34030, 52124, 64370, 65155, 68060, 128740, 130310, 260620, 534271, 1068542, 2137084, 2671355, 5342710, 10685420]

約数ペア:

[(1, 10685420), (2, 5342710), (4, 2671355), (5, 2137084), (10, 1068542), (20, 534271), (41, 260620), (82, 130310), (83, 128740), (157, 68060), (164, 65155), (166, 64370), (205, 52124), (314, 34030), (332, 32185), (410, 26062), (415, 25748), (628, 17015), (785, 13612), (820, 13031), (830, 12874), (1570, 6806), (1660, 6437), (3140, 3403)]