77320625

素因数分解:

$5^4\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:854

約数の個数: 20

約数和(自身を含む): 97271988

約数和(自身を除く): 19951363

約数列:

[1, 5, 25, 125, 193, 625, 641, 965, 3205, 4825, 16025, 24125, 80125, 120625, 123713, 400625, 618565, 3092825, 15464125, 77320625]

約数ペア:

[(1, 77320625), (5, 15464125), (25, 3092825), (125, 618565), (193, 400625), (625, 123713), (641, 120625), (965, 80125), (3205, 24125), (4825, 16025)]