55398160

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6353}}^1$

素因数の和:6475

約数の個数: 40

約数和(自身を含む): 130002840

約数和(自身を除く): 74604680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 6353, 8720, 12706, 25412, 31765, 50824, 63530, 101648, 127060, 254120, 508240, 692477, 1384954, 2769908, 3462385, 5539816, 6924770, 11079632, 13849540, 27699080, 55398160]

約数ペア:

[(1, 55398160), (2, 27699080), (4, 13849540), (5, 11079632), (8, 6924770), (10, 5539816), (16, 3462385), (20, 2769908), (40, 1384954), (80, 692477), (109, 508240), (218, 254120), (436, 127060), (545, 101648), (872, 63530), (1090, 50824), (1744, 31765), (2180, 25412), (4360, 12706), (6353, 8720)]