204545920

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5417}}^1$

素因数の和:5495

約数の個数: 64

約数和(自身を含む): 497372400

約数和(自身を除く): 292826480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 590, 640, 944, 1180, 1888, 2360, 3776, 4720, 5417, 7552, 9440, 10834, 18880, 21668, 27085, 37760, 43336, 54170, 86672, 108340, 173344, 216680, 319603, 346688, 433360, 639206, 693376, 866720, 1278412, 1598015, 1733440, 2556824, 3196030, 3466880, 5113648, 6392060, 10227296, 12784120, 20454592, 25568240, 40909184, 51136480, 102272960, 204545920]

約数ペア:

[(1, 204545920), (2, 102272960), (4, 51136480), (5, 40909184), (8, 25568240), (10, 20454592), (16, 12784120), (20, 10227296), (32, 6392060), (40, 5113648), (59, 3466880), (64, 3196030), (80, 2556824), (118, 1733440), (128, 1598015), (160, 1278412), (236, 866720), (295, 693376), (320, 639206), (472, 433360), (590, 346688), (640, 319603), (944, 216680), (1180, 173344), (1888, 108340), (2360, 86672), (3776, 54170), (4720, 43336), (5417, 37760), (7552, 27085), (9440, 21668), (10834, 18880)]