127684840

素因数分解:

$2^3\times 5^1\times {\mathrm{3192121}}^1$

素因数の和:3192132

約数の個数: 16

約数和(自身を含む): 287290980

約数和(自身を除く): 159606140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3192121, 6384242, 12768484, 15960605, 25536968, 31921210, 63842420, 127684840]

約数ペア:

[(1, 127684840), (2, 63842420), (4, 31921210), (5, 25536968), (8, 15960605), (10, 12768484), (20, 6384242), (40, 3192121)]