91861220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5881}}^1$

素因数の和:5972

約数の個数: 48

約数和(自身を含む): 213446016

約数和(自身を除く): 121584796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 5881, 7810, 11762, 15620, 23524, 29405, 58810, 64691, 117620, 129382, 258764, 323455, 417551, 646910, 835102, 1293820, 1670204, 2087755, 4175510, 4593061, 8351020, 9186122, 18372244, 22965305, 45930610, 91861220]

約数ペア:

[(1, 91861220), (2, 45930610), (4, 22965305), (5, 18372244), (10, 9186122), (11, 8351020), (20, 4593061), (22, 4175510), (44, 2087755), (55, 1670204), (71, 1293820), (110, 835102), (142, 646910), (220, 417551), (284, 323455), (355, 258764), (710, 129382), (781, 117620), (1420, 64691), (1562, 58810), (3124, 29405), (3905, 23524), (5881, 15620), (7810, 11762)]