11181220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 24837120

約数和(自身を除く): 13655900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 223, 230, 436, 446, 460, 545, 892, 1090, 1115, 2180, 2230, 2507, 4460, 5014, 5129, 10028, 10258, 12535, 20516, 24307, 25070, 25645, 48614, 50140, 51290, 97228, 102580, 121535, 243070, 486140, 559061, 1118122, 2236244, 2795305, 5590610, 11181220]

約数ペア:

[(1, 11181220), (2, 5590610), (4, 2795305), (5, 2236244), (10, 1118122), (20, 559061), (23, 486140), (46, 243070), (92, 121535), (109, 102580), (115, 97228), (218, 51290), (223, 50140), (230, 48614), (436, 25645), (446, 25070), (460, 24307), (545, 20516), (892, 12535), (1090, 10258), (1115, 10028), (2180, 5129), (2230, 5014), (2507, 4460)]