13881880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 19295720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 191, 230, 316, 382, 395, 460, 632, 764, 790, 920, 955, 1528, 1580, 1817, 1910, 3160, 3634, 3820, 4393, 7268, 7640, 8786, 9085, 14536, 15089, 17572, 18170, 21965, 30178, 35144, 36340, 43930, 60356, 72680, 75445, 87860, 120712, 150890, 175720, 301780, 347047, 603560, 694094, 1388188, 1735235, 2776376, 3470470, 6940940, 13881880]

約数ペア:

[(1, 13881880), (2, 6940940), (4, 3470470), (5, 2776376), (8, 1735235), (10, 1388188), (20, 694094), (23, 603560), (40, 347047), (46, 301780), (79, 175720), (92, 150890), (115, 120712), (158, 87860), (184, 75445), (191, 72680), (230, 60356), (316, 43930), (382, 36340), (395, 35144), (460, 30178), (632, 21965), (764, 18170), (790, 17572), (920, 15089), (955, 14536), (1528, 9085), (1580, 8786), (1817, 7640), (1910, 7268), (3160, 4393), (3634, 3820)]