127085240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{77491}}^1$

素因数の和:77543

約数の個数: 32

約数和(自身を含む): 292919760

約数和(自身を除く): 165834520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 77491, 154982, 309964, 387455, 619928, 774910, 1549820, 3099640, 3177131, 6354262, 12708524, 15885655, 25417048, 31771310, 63542620, 127085240]

約数ペア:

[(1, 127085240), (2, 63542620), (4, 31771310), (5, 25417048), (8, 15885655), (10, 12708524), (20, 6354262), (40, 3177131), (41, 3099640), (82, 1549820), (164, 774910), (205, 619928), (328, 387455), (410, 309964), (820, 154982), (1640, 77491)]