53140520

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3313}}^1$

素因数の和:3725

約数の個数: 32

約数和(自身を含む): 119900520

約数和(自身を除く): 66760000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 3313, 4010, 6626, 8020, 13252, 16040, 16565, 26504, 33130, 66260, 132520, 1328513, 2657026, 5314052, 6642565, 10628104, 13285130, 26570260, 53140520]

約数ペア:

[(1, 53140520), (2, 26570260), (4, 13285130), (5, 10628104), (8, 6642565), (10, 5314052), (20, 2657026), (40, 1328513), (401, 132520), (802, 66260), (1604, 33130), (2005, 26504), (3208, 16565), (3313, 16040), (4010, 13252), (6626, 8020)]