161738120

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{17657}}^1$

素因数の和:17897

約数の個数: 32

約数和(自身を含む): 365520600

約数和(自身を除く): 203782480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 17657, 35314, 70628, 88285, 141256, 176570, 353140, 706280, 4043453, 8086906, 16173812, 20217265, 32347624, 40434530, 80869060, 161738120]

約数ペア:

[(1, 161738120), (2, 80869060), (4, 40434530), (5, 32347624), (8, 20217265), (10, 16173812), (20, 8086906), (40, 4043453), (229, 706280), (458, 353140), (916, 176570), (1145, 141256), (1832, 88285), (2290, 70628), (4580, 35314), (9160, 17657)]