27911420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 62512128

約数和(自身を除く): 34600708

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1291, 2162, 2582, 4324, 5164, 5405, 6455, 10810, 12910, 21620, 25820, 29693, 59386, 60677, 118772, 121354, 148465, 242708, 296930, 303385, 593860, 606770, 1213540, 1395571, 2791142, 5582284, 6977855, 13955710, 27911420]

約数ペア:

[(1, 27911420), (2, 13955710), (4, 6977855), (5, 5582284), (10, 2791142), (20, 1395571), (23, 1213540), (46, 606770), (47, 593860), (92, 303385), (94, 296930), (115, 242708), (188, 148465), (230, 121354), (235, 118772), (460, 60677), (470, 59386), (940, 29693), (1081, 25820), (1291, 21620), (2162, 12910), (2582, 10810), (4324, 6455), (5164, 5405)]