20161250990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{984917}}^1$

素因数の和:985036

約数の個数: 32

約数和(自身を含む): 38293611840

約数和(自身を除く): 18132360850

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 20470, 984917, 1969834, 4924585, 9849170, 22653091, 45306182, 87657613, 113265455, 175315226, 226530910, 438288065, 876576130, 2016125099, 4032250198, 10080625495, 20161250990]

約数ペア:

[(1, 20161250990), (2, 10080625495), (5, 4032250198), (10, 2016125099), (23, 876576130), (46, 438288065), (89, 226530910), (115, 175315226), (178, 113265455), (230, 87657613), (445, 45306182), (890, 22653091), (2047, 9849170), (4094, 4924585), (10235, 1969834), (20470, 984917)]