1255540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 3104640

約数和(自身を除く): 1849100

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 439, 572, 715, 878, 1430, 1756, 2195, 2860, 4390, 4829, 5707, 8780, 9658, 11414, 19316, 22828, 24145, 28535, 48290, 57070, 62777, 96580, 114140, 125554, 251108, 313885, 627770, 1255540]

約数ペア:

[(1, 1255540), (2, 627770), (4, 313885), (5, 251108), (10, 125554), (11, 114140), (13, 96580), (20, 62777), (22, 57070), (26, 48290), (44, 28535), (52, 24145), (55, 22828), (65, 19316), (110, 11414), (130, 9658), (143, 8780), (220, 5707), (260, 4829), (286, 4390), (439, 2860), (572, 2195), (715, 1756), (878, 1430)]