4385720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 9994320

約数和(自身を除く): 5608600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1321, 1660, 2642, 3320, 5284, 6605, 10568, 13210, 26420, 52840, 109643, 219286, 438572, 548215, 877144, 1096430, 2192860, 4385720]

約数ペア:

[(1, 4385720), (2, 2192860), (4, 1096430), (5, 877144), (8, 548215), (10, 438572), (20, 219286), (40, 109643), (83, 52840), (166, 26420), (332, 13210), (415, 10568), (664, 6605), (830, 5284), (1321, 3320), (1660, 2642)]