52763780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{709}}^1$

素因数の和:840

約数の個数: 36

約数和(自身を含む): 112809060

約数和(自身を除く): 60045280

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 709, 1220, 1418, 2836, 3545, 3721, 7090, 7442, 14180, 14884, 18605, 37210, 43249, 74420, 86498, 172996, 216245, 432490, 864980, 2638189, 5276378, 10552756, 13190945, 26381890, 52763780]

約数ペア:

[(1, 52763780), (2, 26381890), (4, 13190945), (5, 10552756), (10, 5276378), (20, 2638189), (61, 864980), (122, 432490), (244, 216245), (305, 172996), (610, 86498), (709, 74420), (1220, 43249), (1418, 37210), (2836, 18605), (3545, 14884), (3721, 14180), (7090, 7442)]