17966702120

素因数分解:

$2^3\times 5^1\times {\mathrm{4027}}^1\times {\mathrm{111539}}^1$

素因数の和:115577

約数の個数: 32

約数和(自身を含む): 40435480800

約数和(自身を除く): 22468778680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4027, 8054, 16108, 20135, 32216, 40270, 80540, 111539, 161080, 223078, 446156, 557695, 892312, 1115390, 2230780, 4461560, 449167553, 898335106, 1796670212, 2245837765, 3593340424, 4491675530, 8983351060, 17966702120]

約数ペア:

[(1, 17966702120), (2, 8983351060), (4, 4491675530), (5, 3593340424), (8, 2245837765), (10, 1796670212), (20, 898335106), (40, 449167553), (4027, 4461560), (8054, 2230780), (16108, 1115390), (20135, 892312), (32216, 557695), (40270, 446156), (80540, 223078), (111539, 161080)]