6640347.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2711}}^1$

素因数の和:3363

約数の個数: 24

約数和(自身を含む): 73354176

約数和(自身を除く): 38490716

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 2711, 3215, 5422, 6430, 10844, 12860, 13555, 27110, 54220, 1743173, 3486346, 6972692, 8715865, 17431730, 34863460]

約数ペア:

[(1, 34863460), (2, 17431730), (4, 8715865), (5, 6972692), (10, 3486346), (20, 1743173), (643, 54220), (1286, 27110), (2572, 13555), (2711, 12860), (3215, 10844), (5422, 6430)]