157480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 368640

約数和(自身を除く): 211160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 2540, 3937, 5080, 7874, 15748, 19685, 31496, 39370, 78740, 157480]

約数ペア:

[(1, 157480), (2, 78740), (4, 39370), (5, 31496), (8, 19685), (10, 15748), (20, 7874), (31, 5080), (40, 3937), (62, 2540), (124, 1270), (127, 1240), (155, 1016), (248, 635), (254, 620), (310, 508)]