89670160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15787}}^1$

素因数の和:15871

約数の個数: 40

約数和(自身を含む): 211432896

約数和(自身を除く): 121762736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 15787, 31574, 63148, 78935, 126296, 157870, 252592, 315740, 631480, 1120877, 1262960, 2241754, 4483508, 5604385, 8967016, 11208770, 17934032, 22417540, 44835080, 89670160]

約数ペア:

[(1, 89670160), (2, 44835080), (4, 22417540), (5, 17934032), (8, 11208770), (10, 8967016), (16, 5604385), (20, 4483508), (40, 2241754), (71, 1262960), (80, 1120877), (142, 631480), (284, 315740), (355, 252592), (568, 157870), (710, 126296), (1136, 78935), (1420, 63148), (2840, 31574), (5680, 15787)]