2680456880

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:1134

約数の個数: 80

約数和(自身を含む): 6299221824

約数和(自身を除く): 3618764944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 313, 334, 626, 641, 668, 835, 1252, 1282, 1336, 1565, 1670, 2504, 2564, 2672, 3130, 3205, 3340, 5008, 5128, 6260, 6410, 6680, 10256, 12520, 12820, 13360, 25040, 25640, 51280, 52271, 104542, 107047, 200633, 209084, 214094, 261355, 401266, 418168, 428188, 522710, 535235, 802532, 836336, 856376, 1003165, 1045420, 1070470, 1605064, 1712752, 2006330, 2090840, 2140940, 3210128, 4012660, 4181680, 4281880, 8025320, 8563760, 16050640, 33505711, 67011422, 134022844, 167528555, 268045688, 335057110, 536091376, 670114220, 1340228440, 2680456880]

約数ペア:

[(1, 2680456880), (2, 1340228440), (4, 670114220), (5, 536091376), (8, 335057110), (10, 268045688), (16, 167528555), (20, 134022844), (40, 67011422), (80, 33505711), (167, 16050640), (313, 8563760), (334, 8025320), (626, 4281880), (641, 4181680), (668, 4012660), (835, 3210128), (1252, 2140940), (1282, 2090840), (1336, 2006330), (1565, 1712752), (1670, 1605064), (2504, 1070470), (2564, 1045420), (2672, 1003165), (3130, 856376), (3205, 836336), (3340, 802532), (5008, 535235), (5128, 522710), (6260, 428188), (6410, 418168), (6680, 401266), (10256, 261355), (12520, 214094), (12820, 209084), (13360, 200633), (25040, 107047), (25640, 104542), (51280, 52271)]