11107240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3911}}^1$

素因数の和:3993

約数の個数: 32

約数和(自身を含む): 25349760

約数和(自身を除く): 14242520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3911, 7822, 15644, 19555, 31288, 39110, 78220, 156440, 277681, 555362, 1110724, 1388405, 2221448, 2776810, 5553620, 11107240]

約数ペア:

[(1, 11107240), (2, 5553620), (4, 2776810), (5, 2221448), (8, 1388405), (10, 1110724), (20, 555362), (40, 277681), (71, 156440), (142, 78220), (284, 39110), (355, 31288), (568, 19555), (710, 15644), (1420, 7822), (2840, 3911)]