81002780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{601}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 178403904

約数和(自身を除く): 97401124

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 293, 460, 586, 601, 1172, 1202, 1465, 2404, 2930, 3005, 5860, 6010, 6739, 12020, 13478, 13823, 26956, 27646, 33695, 55292, 67390, 69115, 134780, 138230, 176093, 276460, 352186, 704372, 880465, 1760930, 3521860, 4050139, 8100278, 16200556, 20250695, 40501390, 81002780]

約数ペア:

[(1, 81002780), (2, 40501390), (4, 20250695), (5, 16200556), (10, 8100278), (20, 4050139), (23, 3521860), (46, 1760930), (92, 880465), (115, 704372), (230, 352186), (293, 276460), (460, 176093), (586, 138230), (601, 134780), (1172, 69115), (1202, 67390), (1465, 55292), (2404, 33695), (2930, 27646), (3005, 26956), (5860, 13823), (6010, 13478), (6739, 12020)]