201664880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1877}}^1$

素因数の和:1986

約数の個数: 80

約数和(自身を含む): 503003520

約数和(自身を除く): 301338640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 1877, 2686, 3160, 3754, 5372, 6320, 6715, 7508, 9385, 10744, 13430, 15016, 18770, 21488, 26860, 30032, 31909, 37540, 53720, 63818, 75080, 107440, 127636, 148283, 150160, 159545, 255272, 296566, 319090, 510544, 593132, 638180, 741415, 1186264, 1276360, 1482830, 2372528, 2520811, 2552720, 2965660, 5041622, 5931320, 10083244, 11862640, 12604055, 20166488, 25208110, 40332976, 50416220, 100832440, 201664880]

約数ペア:

[(1, 201664880), (2, 100832440), (4, 50416220), (5, 40332976), (8, 25208110), (10, 20166488), (16, 12604055), (17, 11862640), (20, 10083244), (34, 5931320), (40, 5041622), (68, 2965660), (79, 2552720), (80, 2520811), (85, 2372528), (136, 1482830), (158, 1276360), (170, 1186264), (272, 741415), (316, 638180), (340, 593132), (395, 510544), (632, 319090), (680, 296566), (790, 255272), (1264, 159545), (1343, 150160), (1360, 148283), (1580, 127636), (1877, 107440), (2686, 75080), (3160, 63818), (3754, 53720), (5372, 37540), (6320, 31909), (6715, 30032), (7508, 26860), (9385, 21488), (10744, 18770), (13430, 15016)]