40800080

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2287}}^1$

素因数の和:2523

約数の個数: 40

約数和(自身を含む): 95327232

約数和(自身を除く): 54527152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 2287, 3568, 4460, 4574, 8920, 9148, 11435, 17840, 18296, 22870, 36592, 45740, 91480, 182960, 510001, 1020002, 2040004, 2550005, 4080008, 5100010, 8160016, 10200020, 20400040, 40800080]

約数ペア:

[(1, 40800080), (2, 20400040), (4, 10200020), (5, 8160016), (8, 5100010), (10, 4080008), (16, 2550005), (20, 2040004), (40, 1020002), (80, 510001), (223, 182960), (446, 91480), (892, 45740), (1115, 36592), (1784, 22870), (2230, 18296), (2287, 17840), (3568, 11435), (4460, 9148), (4574, 8920)]