2018656580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{40519}}^1$

素因数の和:40628

約数の個数: 48

約数和(自身を含む): 4411169280

約数和(自身を除く): 2392512700

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 2491, 4982, 9964, 12455, 24910, 40519, 49820, 81038, 162076, 202595, 405190, 810380, 1904393, 2147507, 3808786, 4295014, 7617572, 8590028, 9521965, 10737535, 19043930, 21475070, 38087860, 42950140, 100932829, 201865658, 403731316, 504664145, 1009328290, 2018656580]

約数ペア:

[(1, 2018656580), (2, 1009328290), (4, 504664145), (5, 403731316), (10, 201865658), (20, 100932829), (47, 42950140), (53, 38087860), (94, 21475070), (106, 19043930), (188, 10737535), (212, 9521965), (235, 8590028), (265, 7617572), (470, 4295014), (530, 3808786), (940, 2147507), (1060, 1904393), (2491, 810380), (4982, 405190), (9964, 202595), (12455, 162076), (24910, 81038), (40519, 49820)]