843280

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 1999872

約数和(自身を除く): 1156592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 127, 166, 254, 332, 415, 508, 635, 664, 830, 1016, 1270, 1328, 1660, 2032, 2540, 3320, 5080, 6640, 10160, 10541, 21082, 42164, 52705, 84328, 105410, 168656, 210820, 421640, 843280]

約数ペア:

[(1, 843280), (2, 421640), (4, 210820), (5, 168656), (8, 105410), (10, 84328), (16, 52705), (20, 42164), (40, 21082), (80, 10541), (83, 10160), (127, 6640), (166, 5080), (254, 3320), (332, 2540), (415, 2032), (508, 1660), (635, 1328), (664, 1270), (830, 1016)]