11756420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 15150460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 439, 515, 878, 1030, 1339, 1756, 2060, 2195, 2678, 4390, 5356, 5707, 6695, 8780, 11414, 13390, 22828, 26780, 28535, 45217, 57070, 90434, 114140, 180868, 226085, 452170, 587821, 904340, 1175642, 2351284, 2939105, 5878210, 11756420]

約数ペア:

[(1, 11756420), (2, 5878210), (4, 2939105), (5, 2351284), (10, 1175642), (13, 904340), (20, 587821), (26, 452170), (52, 226085), (65, 180868), (103, 114140), (130, 90434), (206, 57070), (260, 45217), (412, 28535), (439, 26780), (515, 22828), (878, 13390), (1030, 11414), (1339, 8780), (1756, 6695), (2060, 5707), (2195, 5356), (2678, 4390)]