166126280

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{10357}}^1$

素因数の和:10769

約数の個数: 32

約数和(自身を含む): 374752440

約数和(自身を除く): 208626160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 10357, 16040, 20714, 41428, 51785, 82856, 103570, 207140, 414280, 4153157, 8306314, 16612628, 20765785, 33225256, 41531570, 83063140, 166126280]

約数ペア:

[(1, 166126280), (2, 83063140), (4, 41531570), (5, 33225256), (8, 20765785), (10, 16612628), (20, 8306314), (40, 4153157), (401, 414280), (802, 207140), (1604, 103570), (2005, 82856), (3208, 51785), (4010, 41428), (8020, 20714), (10357, 16040)]