27978080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13451}}^1$

素因数の和:13479

約数の個数: 48

約数和(自身を含む): 71187984

約数和(自身を除く): 43209904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 13451, 26902, 53804, 67255, 107608, 134510, 174863, 215216, 269020, 349726, 430432, 538040, 699452, 874315, 1076080, 1398904, 1748630, 2152160, 2797808, 3497260, 5595616, 6994520, 13989040, 27978080]

約数ペア:

[(1, 27978080), (2, 13989040), (4, 6994520), (5, 5595616), (8, 3497260), (10, 2797808), (13, 2152160), (16, 1748630), (20, 1398904), (26, 1076080), (32, 874315), (40, 699452), (52, 538040), (65, 430432), (80, 349726), (104, 269020), (130, 215216), (160, 174863), (208, 134510), (260, 107608), (416, 67255), (520, 53804), (1040, 26902), (2080, 13451)]