27982160

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1361}}^1$

素因数の和:1631

約数の個数: 40

約数和(自身を含む): 65359656

約数和(自身を除く): 37377496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 1361, 2056, 2570, 2722, 4112, 5140, 5444, 6805, 10280, 10888, 13610, 20560, 21776, 27220, 54440, 108880, 349777, 699554, 1399108, 1748885, 2798216, 3497770, 5596432, 6995540, 13991080, 27982160]

約数ペア:

[(1, 27982160), (2, 13991080), (4, 6995540), (5, 5596432), (8, 3497770), (10, 2798216), (16, 1748885), (20, 1399108), (40, 699554), (80, 349777), (257, 108880), (514, 54440), (1028, 27220), (1285, 21776), (1361, 20560), (2056, 13610), (2570, 10888), (2722, 10280), (4112, 6805), (5140, 5444)]