80644090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{12821}}^1$

素因数の和:12882

約数の個数: 32

約数和(自身を含む): 157864464

約数和(自身を除く): 77220374

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 6290, 12821, 25642, 64105, 128210, 217957, 435914, 474377, 948754, 1089785, 2179570, 2371885, 4743770, 8064409, 16128818, 40322045, 80644090]

約数ペア:

[(1, 80644090), (2, 40322045), (5, 16128818), (10, 8064409), (17, 4743770), (34, 2371885), (37, 2179570), (74, 1089785), (85, 948754), (170, 474377), (185, 435914), (370, 217957), (629, 128210), (1258, 64105), (3145, 25642), (6290, 12821)]