40130020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40949}}^1$

素因数の和:40972

約数の個数: 36

約数和(自身を含む): 98034300

約数和(自身を除く): 57904280

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40949, 81898, 163796, 204745, 286643, 409490, 573286, 818980, 1146572, 1433215, 2006501, 2866430, 4013002, 5732860, 8026004, 10032505, 20065010, 40130020]

約数ペア:

[(1, 40130020), (2, 20065010), (4, 10032505), (5, 8026004), (7, 5732860), (10, 4013002), (14, 2866430), (20, 2006501), (28, 1433215), (35, 1146572), (49, 818980), (70, 573286), (98, 409490), (140, 286643), (196, 204745), (245, 163796), (490, 81898), (980, 40949)]