1900894640

素因数分解:

$2^4\times 5^1\times {\mathrm{23761183}}^1$

素因数の和:23761196

約数の個数: 20

約数和(自身を含む): 4419580224

約数和(自身を除く): 2518685584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23761183, 47522366, 95044732, 118805915, 190089464, 237611830, 380178928, 475223660, 950447320, 1900894640]

約数ペア:

[(1, 1900894640), (2, 950447320), (4, 475223660), (5, 380178928), (8, 237611830), (10, 190089464), (16, 118805915), (20, 95044732), (40, 47522366), (80, 23761183)]