8771440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1417

約数の個数: 40

約数和(自身を含む): 20654928

約数和(自身を除く): 11883488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1321, 1328, 1660, 2642, 3320, 5284, 6605, 6640, 10568, 13210, 21136, 26420, 52840, 105680, 109643, 219286, 438572, 548215, 877144, 1096430, 1754288, 2192860, 4385720, 8771440]

約数ペア:

[(1, 8771440), (2, 4385720), (4, 2192860), (5, 1754288), (8, 1096430), (10, 877144), (16, 548215), (20, 438572), (40, 219286), (80, 109643), (83, 105680), (166, 52840), (332, 26420), (415, 21136), (664, 13210), (830, 10568), (1321, 6640), (1328, 6605), (1660, 5284), (2642, 3320)]