51455020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 110638080

約数和(自身を除く): 59183060

約数列:

[1, 2, 4, 5, 10, 20, 83, 139, 166, 223, 278, 332, 415, 446, 556, 695, 830, 892, 1115, 1390, 1660, 2230, 2780, 4460, 11537, 18509, 23074, 30997, 37018, 46148, 57685, 61994, 74036, 92545, 115370, 123988, 154985, 185090, 230740, 309970, 370180, 619940, 2572751, 5145502, 10291004, 12863755, 25727510, 51455020]

約数ペア:

[(1, 51455020), (2, 25727510), (4, 12863755), (5, 10291004), (10, 5145502), (20, 2572751), (83, 619940), (139, 370180), (166, 309970), (223, 230740), (278, 185090), (332, 154985), (415, 123988), (446, 115370), (556, 92545), (695, 74036), (830, 61994), (892, 57685), (1115, 46148), (1390, 37018), (1660, 30997), (2230, 23074), (2780, 18509), (4460, 11537)]