79728520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14549}}^1$

素因数の和:14697

約数の個数: 32

約数和(自身を含む): 180711000

約数和(自身を除く): 100982480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 14549, 29098, 58196, 72745, 116392, 145490, 290980, 581960, 1993213, 3986426, 7972852, 9966065, 15945704, 19932130, 39864260, 79728520]

約数ペア:

[(1, 79728520), (2, 39864260), (4, 19932130), (5, 15945704), (8, 9966065), (10, 7972852), (20, 3986426), (40, 1993213), (137, 581960), (274, 290980), (548, 145490), (685, 116392), (1096, 72745), (1370, 58196), (2740, 29098), (5480, 14549)]