65470625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 91095840

約数和(自身を除く): 25625215

約数列:

[1, 5, 11, 25, 55, 89, 107, 125, 275, 445, 535, 625, 979, 1177, 1375, 2225, 2675, 4895, 5885, 6875, 9523, 11125, 13375, 24475, 29425, 47615, 55625, 66875, 104753, 122375, 147125, 238075, 523765, 611875, 735625, 1190375, 2618825, 5951875, 13094125, 65470625]

約数ペア:

[(1, 65470625), (5, 13094125), (11, 5951875), (25, 2618825), (55, 1190375), (89, 735625), (107, 611875), (125, 523765), (275, 238075), (445, 147125), (535, 122375), (625, 104753), (979, 66875), (1177, 55625), (1375, 47615), (2225, 29425), (2675, 24475), (4895, 13375), (5885, 11125), (6875, 9523)]