260688625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1831}}^1$

素因数の和:1930

約数の個数: 32

約数和(自身を含む): 349809408

約数和(自身を除く): 89120783

約数列:

[1, 5, 17, 25, 67, 85, 125, 335, 425, 1139, 1675, 1831, 2125, 5695, 8375, 9155, 28475, 31127, 45775, 122677, 142375, 155635, 228875, 613385, 778175, 2085509, 3066925, 3890875, 10427545, 15334625, 52137725, 260688625]

約数ペア:

[(1, 260688625), (5, 52137725), (17, 15334625), (25, 10427545), (67, 3890875), (85, 3066925), (125, 2085509), (335, 778175), (425, 613385), (1139, 228875), (1675, 155635), (1831, 142375), (2125, 122677), (5695, 45775), (8375, 31127), (9155, 28475)]