80900144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 181113408

約数和(自身を除く): 100213264

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 137, 167, 208, 221, 272, 274, 334, 442, 548, 668, 884, 1096, 1336, 1768, 1781, 2171, 2192, 2329, 2672, 2839, 3536, 3562, 4342, 4658, 5678, 7124, 8684, 9316, 11356, 14248, 17368, 18632, 22712, 22879, 28496, 30277, 34736, 36907, 37264, 45424, 45758, 60554, 73814, 91516, 121108, 147628, 183032, 242216, 295256, 297427, 366064, 388943, 484432, 590512, 594854, 777886, 1189708, 1555772, 2379416, 3111544, 4758832, 5056259, 6223088, 10112518, 20225036, 40450072, 80900144]

約数ペア:

[(1, 80900144), (2, 40450072), (4, 20225036), (8, 10112518), (13, 6223088), (16, 5056259), (17, 4758832), (26, 3111544), (34, 2379416), (52, 1555772), (68, 1189708), (104, 777886), (136, 594854), (137, 590512), (167, 484432), (208, 388943), (221, 366064), (272, 297427), (274, 295256), (334, 242216), (442, 183032), (548, 147628), (668, 121108), (884, 91516), (1096, 73814), (1336, 60554), (1768, 45758), (1781, 45424), (2171, 37264), (2192, 36907), (2329, 34736), (2672, 30277), (2839, 28496), (3536, 22879), (3562, 22712), (4342, 18632), (4658, 17368), (5678, 14248), (7124, 11356), (8684, 9316)]