131010820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{24907}}^1$

素因数の和:25179

約数の個数: 24

約数和(自身を含む): 276179904

約数和(自身を除く): 145169084

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 24907, 49814, 99628, 124535, 249070, 498140, 6550541, 13101082, 26202164, 32752705, 65505410, 131010820]

約数ペア:

[(1, 131010820), (2, 65505410), (4, 32752705), (5, 26202164), (10, 13101082), (20, 6550541), (263, 498140), (526, 249070), (1052, 124535), (1315, 99628), (2630, 49814), (5260, 24907)]