51765820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 111617856

約数和(自身を除く): 59852036

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 151, 244, 281, 302, 305, 562, 604, 610, 755, 1124, 1220, 1405, 1510, 2810, 3020, 5620, 9211, 17141, 18422, 34282, 36844, 42431, 46055, 68564, 84862, 85705, 92110, 169724, 171410, 184220, 212155, 342820, 424310, 848620, 2588291, 5176582, 10353164, 12941455, 25882910, 51765820]

約数ペア:

[(1, 51765820), (2, 25882910), (4, 12941455), (5, 10353164), (10, 5176582), (20, 2588291), (61, 848620), (122, 424310), (151, 342820), (244, 212155), (281, 184220), (302, 171410), (305, 169724), (562, 92110), (604, 85705), (610, 84862), (755, 68564), (1124, 46055), (1220, 42431), (1405, 36844), (1510, 34282), (2810, 18422), (3020, 17141), (5620, 9211)]