1858120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 4717440

約数和(自身を除く): 2859320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 103, 110, 164, 205, 206, 220, 328, 410, 412, 440, 451, 515, 820, 824, 902, 1030, 1133, 1640, 1804, 2060, 2255, 2266, 3608, 4120, 4223, 4510, 4532, 5665, 8446, 9020, 9064, 11330, 16892, 18040, 21115, 22660, 33784, 42230, 45320, 46453, 84460, 92906, 168920, 185812, 232265, 371624, 464530, 929060, 1858120]

約数ペア:

[(1, 1858120), (2, 929060), (4, 464530), (5, 371624), (8, 232265), (10, 185812), (11, 168920), (20, 92906), (22, 84460), (40, 46453), (41, 45320), (44, 42230), (55, 33784), (82, 22660), (88, 21115), (103, 18040), (110, 16892), (164, 11330), (205, 9064), (206, 9020), (220, 8446), (328, 5665), (410, 4532), (412, 4510), (440, 4223), (451, 4120), (515, 3608), (820, 2266), (824, 2255), (902, 2060), (1030, 1804), (1133, 1640)]