2642860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 6223392

約数和(自身を除く): 3580532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 293, 410, 451, 586, 820, 902, 1172, 1465, 1804, 2255, 2930, 3223, 4510, 5860, 6446, 9020, 12013, 12892, 16115, 24026, 32230, 48052, 60065, 64460, 120130, 132143, 240260, 264286, 528572, 660715, 1321430, 2642860]

約数ペア:

[(1, 2642860), (2, 1321430), (4, 660715), (5, 528572), (10, 264286), (11, 240260), (20, 132143), (22, 120130), (41, 64460), (44, 60065), (55, 48052), (82, 32230), (110, 24026), (164, 16115), (205, 12892), (220, 12013), (293, 9020), (410, 6446), (451, 5860), (586, 4510), (820, 3223), (902, 2930), (1172, 2255), (1465, 1804)]