218774680

素因数分解:

$2^3\times 5^1\times {\mathrm{1367}}^1\times {\mathrm{4001}}^1$

素因数の和:5379

約数の個数: 32

約数和(自身を含む): 492726240

約数和(自身を除く): 273951560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1367, 2734, 4001, 5468, 6835, 8002, 10936, 13670, 16004, 20005, 27340, 32008, 40010, 54680, 80020, 160040, 5469367, 10938734, 21877468, 27346835, 43754936, 54693670, 109387340, 218774680]

約数ペア:

[(1, 218774680), (2, 109387340), (4, 54693670), (5, 43754936), (8, 27346835), (10, 21877468), (20, 10938734), (40, 5469367), (1367, 160040), (2734, 80020), (4001, 54680), (5468, 40010), (6835, 32008), (8002, 27340), (10936, 20005), (13670, 16004)]