40367540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 88068288

約数和(自身を除く): 47700748

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 643, 730, 860, 1286, 1460, 2572, 3139, 3215, 6278, 6430, 12556, 12860, 15695, 27649, 31390, 46939, 55298, 62780, 93878, 110596, 138245, 187756, 234695, 276490, 469390, 552980, 938780, 2018377, 4036754, 8073508, 10091885, 20183770, 40367540]

約数ペア:

[(1, 40367540), (2, 20183770), (4, 10091885), (5, 8073508), (10, 4036754), (20, 2018377), (43, 938780), (73, 552980), (86, 469390), (146, 276490), (172, 234695), (215, 187756), (292, 138245), (365, 110596), (430, 93878), (643, 62780), (730, 55298), (860, 46939), (1286, 31390), (1460, 27649), (2572, 15695), (3139, 12860), (3215, 12556), (6278, 6430)]