81682480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92821}}^1$

素因数の和:92845

約数の個数: 40

約数和(自身を含む): 207178704

約数和(自身を除く): 125496224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92821, 185642, 371284, 464105, 742568, 928210, 1021031, 1485136, 1856420, 2042062, 3712840, 4084124, 5105155, 7425680, 8168248, 10210310, 16336496, 20420620, 40841240, 81682480]

約数ペア:

[(1, 81682480), (2, 40841240), (4, 20420620), (5, 16336496), (8, 10210310), (10, 8168248), (11, 7425680), (16, 5105155), (20, 4084124), (22, 3712840), (40, 2042062), (44, 1856420), (55, 1485136), (80, 1021031), (88, 928210), (110, 742568), (176, 464105), (220, 371284), (440, 185642), (880, 92821)]