51646040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 123076800

約数和(自身を除く): 71430760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 365, 460, 584, 730, 769, 920, 1460, 1538, 1679, 2920, 3076, 3358, 3845, 6152, 6716, 7690, 8395, 13432, 15380, 16790, 17687, 30760, 33580, 35374, 56137, 67160, 70748, 88435, 112274, 141496, 176870, 224548, 280685, 353740, 449096, 561370, 707480, 1122740, 1291151, 2245480, 2582302, 5164604, 6455755, 10329208, 12911510, 25823020, 51646040]

約数ペア:

[(1, 51646040), (2, 25823020), (4, 12911510), (5, 10329208), (8, 6455755), (10, 5164604), (20, 2582302), (23, 2245480), (40, 1291151), (46, 1122740), (73, 707480), (92, 561370), (115, 449096), (146, 353740), (184, 280685), (230, 224548), (292, 176870), (365, 141496), (460, 112274), (584, 88435), (730, 70748), (769, 67160), (920, 56137), (1460, 35374), (1538, 33580), (1679, 30760), (2920, 17687), (3076, 16790), (3358, 15380), (3845, 13432), (6152, 8395), (6716, 7690)]