20161749080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{50857}}^1$

素因数の和:50949

約数の個数: 128

約数和(自身を含む): 53388694080

約数和(自身を除く): 33226945000

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 53, 55, 68, 85, 88, 106, 110, 136, 170, 187, 212, 220, 265, 340, 374, 424, 440, 530, 583, 680, 748, 901, 935, 1060, 1166, 1496, 1802, 1870, 2120, 2332, 2915, 3604, 3740, 4505, 4664, 5830, 7208, 7480, 9010, 9911, 11660, 18020, 19822, 23320, 36040, 39644, 49555, 50857, 79288, 99110, 101714, 198220, 203428, 254285, 396440, 406856, 508570, 559427, 864569, 1017140, 1118854, 1729138, 2034280, 2237708, 2695421, 2797135, 3458276, 4322845, 4475416, 5390842, 5594270, 6916552, 8645690, 9510259, 10781684, 11188540, 13477105, 17291380, 19020518, 21563368, 22377080, 26954210, 29649631, 34582760, 38041036, 45822157, 47551295, 53908420, 59299262, 76082072, 91644314, 95102590, 107816840, 118598524, 148248155, 183288628, 190205180, 229110785, 237197048, 296496310, 366577256, 380410360, 458221570, 504043727, 592992620, 916443140, 1008087454, 1185985240, 1832886280, 2016174908, 2520218635, 4032349816, 5040437270, 10080874540, 20161749080]

約数ペア:

[(1, 20161749080), (2, 10080874540), (4, 5040437270), (5, 4032349816), (8, 2520218635), (10, 2016174908), (11, 1832886280), (17, 1185985240), (20, 1008087454), (22, 916443140), (34, 592992620), (40, 504043727), (44, 458221570), (53, 380410360), (55, 366577256), (68, 296496310), (85, 237197048), (88, 229110785), (106, 190205180), (110, 183288628), (136, 148248155), (170, 118598524), (187, 107816840), (212, 95102590), (220, 91644314), (265, 76082072), (340, 59299262), (374, 53908420), (424, 47551295), (440, 45822157), (530, 38041036), (583, 34582760), (680, 29649631), (748, 26954210), (901, 22377080), (935, 21563368), (1060, 19020518), (1166, 17291380), (1496, 13477105), (1802, 11188540), (1870, 10781684), (2120, 9510259), (2332, 8645690), (2915, 6916552), (3604, 5594270), (3740, 5390842), (4505, 4475416), (4664, 4322845), (5830, 3458276), (7208, 2797135), (7480, 2695421), (9010, 2237708), (9911, 2034280), (11660, 1729138), (18020, 1118854), (19822, 1017140), (23320, 864569), (36040, 559427), (39644, 508570), (49555, 406856), (50857, 396440), (79288, 254285), (99110, 203428), (101714, 198220)]