196215680

素因数分解:

$2^7\times 5^1\times {\mathrm{306587}}^1$

素因数の和:306606

約数の個数: 32

約数和(自身を含む): 469079640

約数和(自身を除く): 272863960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 306587, 613174, 1226348, 1532935, 2452696, 3065870, 4905392, 6131740, 9810784, 12263480, 19621568, 24526960, 39243136, 49053920, 98107840, 196215680]

約数ペア:

[(1, 196215680), (2, 98107840), (4, 49053920), (5, 39243136), (8, 24526960), (10, 19621568), (16, 12263480), (20, 9810784), (32, 6131740), (40, 4905392), (64, 3065870), (80, 2452696), (128, 1532935), (160, 1226348), (320, 613174), (640, 306587)]