81427000

素因数分解:

$2^3\times 5^3\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 192572640

約数和(自身を除く): 111145640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 125, 200, 214, 250, 428, 500, 535, 761, 856, 1000, 1070, 1522, 2140, 2675, 3044, 3805, 4280, 5350, 6088, 7610, 10700, 13375, 15220, 19025, 21400, 26750, 30440, 38050, 53500, 76100, 81427, 95125, 107000, 152200, 162854, 190250, 325708, 380500, 407135, 651416, 761000, 814270, 1628540, 2035675, 3257080, 4071350, 8142700, 10178375, 16285400, 20356750, 40713500, 81427000]

約数ペア:

[(1, 81427000), (2, 40713500), (4, 20356750), (5, 16285400), (8, 10178375), (10, 8142700), (20, 4071350), (25, 3257080), (40, 2035675), (50, 1628540), (100, 814270), (107, 761000), (125, 651416), (200, 407135), (214, 380500), (250, 325708), (428, 190250), (500, 162854), (535, 152200), (761, 107000), (856, 95125), (1000, 81427), (1070, 76100), (1522, 53500), (2140, 38050), (2675, 30440), (3044, 26750), (3805, 21400), (4280, 19025), (5350, 15220), (6088, 13375), (7610, 10700)]