156916520

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{8737}}^1$

素因数の和:9197

約数の個数: 32

約数和(自身を含む): 353889000

約数和(自身を除く): 196972480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 8737, 8980, 17474, 17960, 34948, 43685, 69896, 87370, 174740, 349480, 3922913, 7845826, 15691652, 19614565, 31383304, 39229130, 78458260, 156916520]

約数ペア:

[(1, 156916520), (2, 78458260), (4, 39229130), (5, 31383304), (8, 19614565), (10, 15691652), (20, 7845826), (40, 3922913), (449, 349480), (898, 174740), (1796, 87370), (2245, 69896), (3592, 43685), (4490, 34948), (8737, 17960), (8980, 17474)]