16995625

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:474

約数の個数: 20

約数和(自身を含む): 21593088

約数和(自身を除く): 4597463

約数列:

[1, 5, 25, 71, 125, 355, 383, 625, 1775, 1915, 8875, 9575, 27193, 44375, 47875, 135965, 239375, 679825, 3399125, 16995625]

約数ペア:

[(1, 16995625), (5, 3399125), (25, 679825), (71, 239375), (125, 135965), (355, 47875), (383, 44375), (625, 27193), (1775, 9575), (1915, 8875)]