80490767120

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1\times {\mathrm{21817}}^1$

素因数の和:22368

約数の個数: 80

約数和(自身を含む): 189336953088

約数和(自身を除く): 108846185968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 431, 535, 856, 862, 1070, 1712, 1724, 2140, 2155, 3448, 4280, 4310, 6896, 8560, 8620, 17240, 21817, 34480, 43634, 46117, 87268, 92234, 109085, 174536, 184468, 218170, 230585, 349072, 368936, 436340, 461170, 737872, 872680, 922340, 1745360, 1844680, 2334419, 3689360, 4668838, 9337676, 9403127, 11672095, 18675352, 18806254, 23344190, 37350704, 37612508, 46688380, 47015635, 75225016, 93376760, 94031270, 150450032, 186753520, 188062540, 376125080, 752250160, 1006134589, 2012269178, 4024538356, 5030672945, 8049076712, 10061345890, 16098153424, 20122691780, 40245383560, 80490767120]

約数ペア:

[(1, 80490767120), (2, 40245383560), (4, 20122691780), (5, 16098153424), (8, 10061345890), (10, 8049076712), (16, 5030672945), (20, 4024538356), (40, 2012269178), (80, 1006134589), (107, 752250160), (214, 376125080), (428, 188062540), (431, 186753520), (535, 150450032), (856, 94031270), (862, 93376760), (1070, 75225016), (1712, 47015635), (1724, 46688380), (2140, 37612508), (2155, 37350704), (3448, 23344190), (4280, 18806254), (4310, 18675352), (6896, 11672095), (8560, 9403127), (8620, 9337676), (17240, 4668838), (21817, 3689360), (34480, 2334419), (43634, 1844680), (46117, 1745360), (87268, 922340), (92234, 872680), (109085, 737872), (174536, 461170), (184468, 436340), (218170, 368936), (230585, 349072)]