65814160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11587}}^1$

素因数の和:11671

約数の個数: 40

約数和(自身を含む): 155186496

約数和(自身を除く): 89372336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11587, 23174, 46348, 57935, 92696, 115870, 185392, 231740, 463480, 822677, 926960, 1645354, 3290708, 4113385, 6581416, 8226770, 13162832, 16453540, 32907080, 65814160]

約数ペア:

[(1, 65814160), (2, 32907080), (4, 16453540), (5, 13162832), (8, 8226770), (10, 6581416), (16, 4113385), (20, 3290708), (40, 1645354), (71, 926960), (80, 822677), (142, 463480), (284, 231740), (355, 185392), (568, 115870), (710, 92696), (1136, 57935), (1420, 46348), (2840, 23174), (5680, 11587)]