66813160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72623}}^1$

素因数の和:72657

約数の個数: 32

約数和(自身を含む): 156867840

約数和(自身を除く): 90054680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 72623, 145246, 290492, 363115, 580984, 726230, 1452460, 1670329, 2904920, 3340658, 6681316, 8351645, 13362632, 16703290, 33406580, 66813160]

約数ペア:

[(1, 66813160), (2, 33406580), (4, 16703290), (5, 13362632), (8, 8351645), (10, 6681316), (20, 3340658), (23, 2904920), (40, 1670329), (46, 1452460), (92, 726230), (115, 580984), (184, 363115), (230, 290492), (460, 145246), (920, 72623)]