7785080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 18506880

約数和(自身を除く): 10721800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 101, 164, 188, 202, 205, 235, 328, 376, 404, 410, 470, 505, 808, 820, 940, 1010, 1640, 1880, 1927, 2020, 3854, 4040, 4141, 4747, 7708, 8282, 9494, 9635, 15416, 16564, 18988, 19270, 20705, 23735, 33128, 37976, 38540, 41410, 47470, 77080, 82820, 94940, 165640, 189880, 194627, 389254, 778508, 973135, 1557016, 1946270, 3892540, 7785080]

約数ペア:

[(1, 7785080), (2, 3892540), (4, 1946270), (5, 1557016), (8, 973135), (10, 778508), (20, 389254), (40, 194627), (41, 189880), (47, 165640), (82, 94940), (94, 82820), (101, 77080), (164, 47470), (188, 41410), (202, 38540), (205, 37976), (235, 33128), (328, 23735), (376, 20705), (404, 19270), (410, 18988), (470, 16564), (505, 15416), (808, 9635), (820, 9494), (940, 8282), (1010, 7708), (1640, 4747), (1880, 4141), (1927, 4040), (2020, 3854)]