1640961290

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1\times {\mathrm{3109}}^1$

素因数の和:4286

約数の個数: 32

約数和(自身を含む): 3020232960

約数和(自身を除く): 1379271670

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 1123, 2246, 3109, 5615, 6218, 11230, 15545, 31090, 52781, 105562, 146123, 263905, 292246, 527810, 730615, 1461230, 3491407, 6982814, 17457035, 34914070, 164096129, 328192258, 820480645, 1640961290]

約数ペア:

[(1, 1640961290), (2, 820480645), (5, 328192258), (10, 164096129), (47, 34914070), (94, 17457035), (235, 6982814), (470, 3491407), (1123, 1461230), (2246, 730615), (3109, 527810), (5615, 292246), (6218, 263905), (11230, 146123), (15545, 105562), (31090, 52781)]