2004080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 80

約数和(自身を含む): 5249664

約数和(自身を除く): 3245584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 47, 52, 65, 80, 82, 94, 104, 130, 164, 188, 205, 208, 235, 260, 328, 376, 410, 470, 520, 533, 611, 656, 752, 820, 940, 1040, 1066, 1222, 1640, 1880, 1927, 2132, 2444, 2665, 3055, 3280, 3760, 3854, 4264, 4888, 5330, 6110, 7708, 8528, 9635, 9776, 10660, 12220, 15416, 19270, 21320, 24440, 25051, 30832, 38540, 42640, 48880, 50102, 77080, 100204, 125255, 154160, 200408, 250510, 400816, 501020, 1002040, 2004080]

約数ペア:

[(1, 2004080), (2, 1002040), (4, 501020), (5, 400816), (8, 250510), (10, 200408), (13, 154160), (16, 125255), (20, 100204), (26, 77080), (40, 50102), (41, 48880), (47, 42640), (52, 38540), (65, 30832), (80, 25051), (82, 24440), (94, 21320), (104, 19270), (130, 15416), (164, 12220), (188, 10660), (205, 9776), (208, 9635), (235, 8528), (260, 7708), (328, 6110), (376, 5330), (410, 4888), (470, 4264), (520, 3854), (533, 3760), (611, 3280), (656, 3055), (752, 2665), (820, 2444), (940, 2132), (1040, 1927), (1066, 1880), (1222, 1640)]