27937520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26863}}^1$

素因数の和:26889

約数の個数: 40

約数和(自身を含む): 69953856

約数和(自身を除く): 42016336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26863, 53726, 107452, 134315, 214904, 268630, 349219, 429808, 537260, 698438, 1074520, 1396876, 1746095, 2149040, 2793752, 3492190, 5587504, 6984380, 13968760, 27937520]

約数ペア:

[(1, 27937520), (2, 13968760), (4, 6984380), (5, 5587504), (8, 3492190), (10, 2793752), (13, 2149040), (16, 1746095), (20, 1396876), (26, 1074520), (40, 698438), (52, 537260), (65, 429808), (80, 349219), (104, 268630), (130, 214904), (208, 134315), (260, 107452), (520, 53726), (1040, 26863)]