80432870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1787}}^1$

素因数の和:2444

約数の個数: 32

約数和(自身を含む): 165811968

約数和(自身を除く): 85379098

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 643, 1286, 1787, 3215, 3574, 4501, 6430, 8935, 9002, 12509, 17870, 22505, 25018, 45010, 62545, 125090, 1149041, 2298082, 5745205, 8043287, 11490410, 16086574, 40216435, 80432870]

約数ペア:

[(1, 80432870), (2, 40216435), (5, 16086574), (7, 11490410), (10, 8043287), (14, 5745205), (35, 2298082), (70, 1149041), (643, 125090), (1286, 62545), (1787, 45010), (3215, 25018), (3574, 22505), (4501, 17870), (6430, 12509), (8935, 9002)]