12863180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 17134900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 991, 1180, 1298, 1982, 2596, 3245, 3964, 4955, 6490, 9910, 10901, 12980, 19820, 21802, 43604, 54505, 58469, 109010, 116938, 218020, 233876, 292345, 584690, 643159, 1169380, 1286318, 2572636, 3215795, 6431590, 12863180]

約数ペア:

[(1, 12863180), (2, 6431590), (4, 3215795), (5, 2572636), (10, 1286318), (11, 1169380), (20, 643159), (22, 584690), (44, 292345), (55, 233876), (59, 218020), (110, 116938), (118, 109010), (220, 58469), (236, 54505), (295, 43604), (590, 21802), (649, 19820), (991, 12980), (1180, 10901), (1298, 9910), (1982, 6490), (2596, 4955), (3245, 3964)]