12259280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13931}}^1$

素因数の和:13955

約数の個数: 40

約数和(自身を含む): 31096224

約数和(自身を除く): 18836944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 13931, 27862, 55724, 69655, 111448, 139310, 153241, 222896, 278620, 306482, 557240, 612964, 766205, 1114480, 1225928, 1532410, 2451856, 3064820, 6129640, 12259280]

約数ペア:

[(1, 12259280), (2, 6129640), (4, 3064820), (5, 2451856), (8, 1532410), (10, 1225928), (11, 1114480), (16, 766205), (20, 612964), (22, 557240), (40, 306482), (44, 278620), (55, 222896), (80, 153241), (88, 139310), (110, 111448), (176, 69655), (220, 55724), (440, 27862), (880, 13931)]