205450160

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 493575552

約数和(自身を除く): 288125392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 101, 188, 202, 235, 376, 404, 470, 505, 541, 752, 808, 940, 1010, 1082, 1616, 1880, 2020, 2164, 2705, 3760, 4040, 4328, 4747, 5410, 8080, 8656, 9494, 10820, 18988, 21640, 23735, 25427, 37976, 43280, 47470, 50854, 54641, 75952, 94940, 101708, 109282, 127135, 189880, 203416, 218564, 254270, 273205, 379760, 406832, 437128, 508540, 546410, 874256, 1017080, 1092820, 2034160, 2185640, 2568127, 4371280, 5136254, 10272508, 12840635, 20545016, 25681270, 41090032, 51362540, 102725080, 205450160]

約数ペア:

[(1, 205450160), (2, 102725080), (4, 51362540), (5, 41090032), (8, 25681270), (10, 20545016), (16, 12840635), (20, 10272508), (40, 5136254), (47, 4371280), (80, 2568127), (94, 2185640), (101, 2034160), (188, 1092820), (202, 1017080), (235, 874256), (376, 546410), (404, 508540), (470, 437128), (505, 406832), (541, 379760), (752, 273205), (808, 254270), (940, 218564), (1010, 203416), (1082, 189880), (1616, 127135), (1880, 109282), (2020, 101708), (2164, 94940), (2705, 75952), (3760, 54641), (4040, 50854), (4328, 47470), (4747, 43280), (5410, 37976), (8080, 25427), (8656, 23735), (9494, 21640), (10820, 18988)]