90315620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1327}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 196777728

約数和(自身を除く): 106462108

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 820, 830, 1327, 1660, 2654, 3403, 5308, 6635, 6806, 13270, 13612, 17015, 26540, 34030, 54407, 68060, 108814, 110141, 217628, 220282, 272035, 440564, 544070, 550705, 1088140, 1101410, 2202820, 4515781, 9031562, 18063124, 22578905, 45157810, 90315620]

約数ペア:

[(1, 90315620), (2, 45157810), (4, 22578905), (5, 18063124), (10, 9031562), (20, 4515781), (41, 2202820), (82, 1101410), (83, 1088140), (164, 550705), (166, 544070), (205, 440564), (332, 272035), (410, 220282), (415, 217628), (820, 110141), (830, 108814), (1327, 68060), (1660, 54407), (2654, 34030), (3403, 26540), (5308, 17015), (6635, 13612), (6806, 13270)]