128121410

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1277}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 235560960

約数和(自身を除く): 107439550

約数列:

[1, 2, 5, 10, 79, 127, 158, 254, 395, 635, 790, 1270, 1277, 2554, 6385, 10033, 12770, 20066, 50165, 100330, 100883, 162179, 201766, 324358, 504415, 810895, 1008830, 1621790, 12812141, 25624282, 64060705, 128121410]

約数ペア:

[(1, 128121410), (2, 64060705), (5, 25624282), (10, 12812141), (79, 1621790), (127, 1008830), (158, 810895), (254, 504415), (395, 324358), (635, 201766), (790, 162179), (1270, 100883), (1277, 100330), (2554, 50165), (6385, 20066), (10033, 12770)]