89338520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51941}}^1$

素因数の和:51995

約数の個数: 32

約数和(自身を含む): 205690320

約数和(自身を除く): 116351800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 51941, 103882, 207764, 259705, 415528, 519410, 1038820, 2077640, 2233463, 4466926, 8933852, 11167315, 17867704, 22334630, 44669260, 89338520]

約数ペア:

[(1, 89338520), (2, 44669260), (4, 22334630), (5, 17867704), (8, 11167315), (10, 8933852), (20, 4466926), (40, 2233463), (43, 2077640), (86, 1038820), (172, 519410), (215, 415528), (344, 259705), (430, 207764), (860, 103882), (1720, 51941)]