71645480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{105361}}^1$

素因数の和:105389

約数の個数: 32

約数和(自身を含む): 170686440

約数和(自身を除く): 99040960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 105361, 210722, 421444, 526805, 842888, 1053610, 1791137, 2107220, 3582274, 4214440, 7164548, 8955685, 14329096, 17911370, 35822740, 71645480]

約数ペア:

[(1, 71645480), (2, 35822740), (4, 17911370), (5, 14329096), (8, 8955685), (10, 7164548), (17, 4214440), (20, 3582274), (34, 2107220), (40, 1791137), (68, 1053610), (85, 842888), (136, 526805), (170, 421444), (340, 210722), (680, 105361)]