78915010

素因数分解:

$2^1\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{4049}}^1$

素因数の和:6005

約数の個数: 16

約数和(自身を含む): 142155000

約数和(自身を除く): 63239990

約数列:

[1, 2, 5, 10, 1949, 3898, 4049, 8098, 9745, 19490, 20245, 40490, 7891501, 15783002, 39457505, 78915010]

約数ペア:

[(1, 78915010), (2, 39457505), (5, 15783002), (10, 7891501), (1949, 40490), (3898, 20245), (4049, 19490), (8098, 9745)]