1255366520

素因数分解:

$2^3\times 5^1\times {\mathrm{31384163}}^1$

素因数の和:31384174

約数の個数: 16

約数和(自身を含む): 2824574760

約数和(自身を除く): 1569208240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31384163, 62768326, 125536652, 156920815, 251073304, 313841630, 627683260, 1255366520]

約数ペア:

[(1, 1255366520), (2, 627683260), (4, 313841630), (5, 251073304), (8, 156920815), (10, 125536652), (20, 62768326), (40, 31384163)]