81165850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 158864832

約数和(自身を除く): 77698982

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 163, 230, 326, 433, 575, 815, 866, 1150, 1630, 2165, 3749, 4075, 4330, 7498, 8150, 9959, 10825, 18745, 19918, 21650, 37490, 49795, 70579, 93725, 99590, 141158, 187450, 248975, 352895, 497950, 705790, 1623317, 1764475, 3246634, 3528950, 8116585, 16233170, 40582925, 81165850]

約数ペア:

[(1, 81165850), (2, 40582925), (5, 16233170), (10, 8116585), (23, 3528950), (25, 3246634), (46, 1764475), (50, 1623317), (115, 705790), (163, 497950), (230, 352895), (326, 248975), (433, 187450), (575, 141158), (815, 99590), (866, 93725), (1150, 70579), (1630, 49795), (2165, 37490), (3749, 21650), (4075, 19918), (4330, 18745), (7498, 10825), (8150, 9959)]