80503160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118387}}^1$

素因数の和:118415

約数の個数: 32

約数和(自身を含む): 191788560

約数和(自身を除く): 111285400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 118387, 236774, 473548, 591935, 947096, 1183870, 2012579, 2367740, 4025158, 4735480, 8050316, 10062895, 16100632, 20125790, 40251580, 80503160]

約数ペア:

[(1, 80503160), (2, 40251580), (4, 20125790), (5, 16100632), (8, 10062895), (10, 8050316), (17, 4735480), (20, 4025158), (34, 2367740), (40, 2012579), (68, 1183870), (85, 947096), (136, 591935), (170, 473548), (340, 236774), (680, 118387)]