27984280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8429}}^1$

素因数の和:8523

約数の個数: 32

約数和(自身を含む): 63730800

約数和(自身を除く): 35746520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 8429, 16858, 33716, 42145, 67432, 84290, 168580, 337160, 699607, 1399214, 2798428, 3498035, 5596856, 6996070, 13992140, 27984280]

約数ペア:

[(1, 27984280), (2, 13992140), (4, 6996070), (5, 5596856), (8, 3498035), (10, 2798428), (20, 1399214), (40, 699607), (83, 337160), (166, 168580), (332, 84290), (415, 67432), (664, 42145), (830, 33716), (1660, 16858), (3320, 8429)]