65302960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11497}}^1$

素因数の和:11581

約数の個数: 40

約数和(自身を含む): 153981216

約数和(自身を除く): 88678256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11497, 22994, 45988, 57485, 91976, 114970, 183952, 229940, 459880, 816287, 919760, 1632574, 3265148, 4081435, 6530296, 8162870, 13060592, 16325740, 32651480, 65302960]

約数ペア:

[(1, 65302960), (2, 32651480), (4, 16325740), (5, 13060592), (8, 8162870), (10, 6530296), (16, 4081435), (20, 3265148), (40, 1632574), (71, 919760), (80, 816287), (142, 459880), (284, 229940), (355, 183952), (568, 114970), (710, 91976), (1136, 57485), (1420, 45988), (2840, 22994), (5680, 11497)]