80369740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3617}}^1$

素因数の和:3738

約数の個数: 48

約数和(自身を含む): 185994144

約数和(自身を除く): 105624404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 3617, 4444, 5555, 7234, 11110, 14468, 18085, 22220, 36170, 39787, 72340, 79574, 159148, 198935, 365317, 397870, 730634, 795740, 1461268, 1826585, 3653170, 4018487, 7306340, 8036974, 16073948, 20092435, 40184870, 80369740]

約数ペア:

[(1, 80369740), (2, 40184870), (4, 20092435), (5, 16073948), (10, 8036974), (11, 7306340), (20, 4018487), (22, 3653170), (44, 1826585), (55, 1461268), (101, 795740), (110, 730634), (202, 397870), (220, 365317), (404, 198935), (505, 159148), (1010, 79574), (1111, 72340), (2020, 39787), (2222, 36170), (3617, 22220), (4444, 18085), (5555, 14468), (7234, 11110)]