80485480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118361}}^1$

素因数の和:118389

約数の個数: 32

約数和(自身を含む): 191746440

約数和(自身を除く): 111260960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 118361, 236722, 473444, 591805, 946888, 1183610, 2012137, 2367220, 4024274, 4734440, 8048548, 10060685, 16097096, 20121370, 40242740, 80485480]

約数ペア:

[(1, 80485480), (2, 40242740), (4, 20121370), (5, 16097096), (8, 10060685), (10, 8048548), (17, 4734440), (20, 4024274), (34, 2367220), (40, 2012137), (68, 1183610), (85, 946888), (136, 591805), (170, 473444), (340, 236722), (680, 118361)]