64042175

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 81356400

約数和(自身を除く): 17314225

約数列:

[1, 5, 25, 89, 107, 269, 445, 535, 1345, 2225, 2675, 6725, 9523, 23941, 28783, 47615, 119705, 143915, 238075, 598525, 719575, 2561687, 12808435, 64042175]

約数ペア:

[(1, 64042175), (5, 12808435), (25, 2561687), (89, 719575), (107, 598525), (269, 238075), (445, 143915), (535, 119705), (1345, 47615), (2225, 28783), (2675, 23941), (6725, 9523)]