78474260

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{20543}}^1$

素因数の和:20743

約数の個数: 24

約数和(自身を含む): 165666816

約数和(自身を除く): 87192556

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 20543, 41086, 82172, 102715, 205430, 410860, 3923713, 7847426, 15694852, 19618565, 39237130, 78474260]

約数ペア:

[(1, 78474260), (2, 39237130), (4, 19618565), (5, 15694852), (10, 7847426), (20, 3923713), (191, 410860), (382, 205430), (764, 102715), (955, 82172), (1910, 41086), (3820, 20543)]