51713920

素因数分解:

$2^7\times 5^1\times {\mathrm{80803}}^1$

素因数の和:80822

約数の個数: 32

約数和(自身を含む): 123630120

約数和(自身を除く): 71916200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80803, 161606, 323212, 404015, 646424, 808030, 1292848, 1616060, 2585696, 3232120, 5171392, 6464240, 10342784, 12928480, 25856960, 51713920]

約数ペア:

[(1, 51713920), (2, 25856960), (4, 12928480), (5, 10342784), (8, 6464240), (10, 5171392), (16, 3232120), (20, 2585696), (32, 1616060), (40, 1292848), (64, 808030), (80, 646424), (128, 404015), (160, 323212), (320, 161606), (640, 80803)]