65302520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70981}}^1$

素因数の和:71015

約数の個数: 32

約数和(自身を含む): 153321120

約数和(自身を除く): 88018600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 70981, 141962, 283924, 354905, 567848, 709810, 1419620, 1632563, 2839240, 3265126, 6530252, 8162815, 13060504, 16325630, 32651260, 65302520]

約数ペア:

[(1, 65302520), (2, 32651260), (4, 16325630), (5, 13060504), (8, 8162815), (10, 6530252), (20, 3265126), (23, 2839240), (40, 1632563), (46, 1419620), (92, 709810), (115, 567848), (184, 354905), (230, 283924), (460, 141962), (920, 70981)]