9891250

素因数分解:

$2^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 40

約数和(自身を含む): 19090764

約数和(自身を除く): 9199514

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 193, 205, 250, 386, 410, 625, 965, 1025, 1250, 1930, 2050, 4825, 5125, 7913, 9650, 10250, 15826, 24125, 25625, 39565, 48250, 51250, 79130, 120625, 197825, 241250, 395650, 989125, 1978250, 4945625, 9891250]

約数ペア:

[(1, 9891250), (2, 4945625), (5, 1978250), (10, 989125), (25, 395650), (41, 241250), (50, 197825), (82, 120625), (125, 79130), (193, 51250), (205, 48250), (250, 39565), (386, 25625), (410, 24125), (625, 15826), (965, 10250), (1025, 9650), (1250, 7913), (1930, 5125), (2050, 4825)]