217114160

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20717}}^1$

素因数の和:20861

約数の個数: 40

約数和(自身を含む): 508668336

約数和(自身を除く): 291554176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 20717, 41434, 82868, 103585, 165736, 207170, 331472, 414340, 828680, 1657360, 2713927, 5427854, 10855708, 13569635, 21711416, 27139270, 43422832, 54278540, 108557080, 217114160]

約数ペア:

[(1, 217114160), (2, 108557080), (4, 54278540), (5, 43422832), (8, 27139270), (10, 21711416), (16, 13569635), (20, 10855708), (40, 5427854), (80, 2713927), (131, 1657360), (262, 828680), (524, 414340), (655, 331472), (1048, 207170), (1310, 165736), (2096, 103585), (2620, 82868), (5240, 41434), (10480, 20717)]