40699328

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 56

約数和(自身を含む): 86368128

約数和(自身を除く): 45668800

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 86, 92, 172, 184, 344, 368, 643, 688, 736, 989, 1286, 1376, 1472, 1978, 2572, 2752, 3956, 5144, 7912, 10288, 14789, 15824, 20576, 27649, 29578, 31648, 41152, 55298, 59156, 63296, 110596, 118312, 221192, 236624, 442384, 473248, 635927, 884768, 946496, 1271854, 1769536, 2543708, 5087416, 10174832, 20349664, 40699328]

約数ペア:

[(1, 40699328), (2, 20349664), (4, 10174832), (8, 5087416), (16, 2543708), (23, 1769536), (32, 1271854), (43, 946496), (46, 884768), (64, 635927), (86, 473248), (92, 442384), (172, 236624), (184, 221192), (344, 118312), (368, 110596), (643, 63296), (688, 59156), (736, 55298), (989, 41152), (1286, 31648), (1376, 29578), (1472, 27649), (1978, 20576), (2572, 15824), (2752, 14789), (3956, 10288), (5144, 7912)]