168131440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25321}}^1$

素因数の和:25417

約数の個数: 40

約数和(自身を含む): 395630928

約数和(自身を除く): 227499488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 25321, 50642, 101284, 126605, 202568, 253210, 405136, 506420, 1012840, 2025680, 2101643, 4203286, 8406572, 10508215, 16813144, 21016430, 33626288, 42032860, 84065720, 168131440]

約数ペア:

[(1, 168131440), (2, 84065720), (4, 42032860), (5, 33626288), (8, 21016430), (10, 16813144), (16, 10508215), (20, 8406572), (40, 4203286), (80, 2101643), (83, 2025680), (166, 1012840), (332, 506420), (415, 405136), (664, 253210), (830, 202568), (1328, 126605), (1660, 101284), (3320, 50642), (6640, 25321)]