80436620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2791}}^1$

素因数の和:2942

約数の個数: 48

約数和(自身を含む): 185746176

約数和(自身を除く): 105309556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2791, 2882, 5582, 5764, 7205, 11164, 13955, 14410, 27910, 28820, 30701, 55820, 61402, 122804, 153505, 307010, 365621, 614020, 731242, 1462484, 1828105, 3656210, 4021831, 7312420, 8043662, 16087324, 20109155, 40218310, 80436620]

約数ペア:

[(1, 80436620), (2, 40218310), (4, 20109155), (5, 16087324), (10, 8043662), (11, 7312420), (20, 4021831), (22, 3656210), (44, 1828105), (55, 1462484), (110, 731242), (131, 614020), (220, 365621), (262, 307010), (524, 153505), (655, 122804), (1310, 61402), (1441, 55820), (2620, 30701), (2791, 28820), (2882, 27910), (5582, 14410), (5764, 13955), (7205, 11164)]