1320242875

素因数分解:

$5^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{2789}}^1$

素因数の和:3352

約数の個数: 32

約数和(自身を含む): 1887200640

約数和(自身を除く): 566957765

約数列:

[1, 5, 7, 25, 35, 125, 175, 541, 875, 2705, 2789, 3787, 13525, 13945, 18935, 19523, 67625, 69725, 94675, 97615, 348625, 473375, 488075, 1508849, 2440375, 7544245, 10561943, 37721225, 52809715, 188606125, 264048575, 1320242875]

約数ペア:

[(1, 1320242875), (5, 264048575), (7, 188606125), (25, 52809715), (35, 37721225), (125, 10561943), (175, 7544245), (541, 2440375), (875, 1508849), (2705, 488075), (2789, 473375), (3787, 348625), (13525, 97615), (13945, 94675), (18935, 69725), (19523, 67625)]