188864440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89087}}^1$

素因数の和:89151

約数の個数: 32

約数和(自身を含む): 432967680

約数和(自身を除く): 244103240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 89087, 178174, 356348, 445435, 712696, 890870, 1781740, 3563480, 4721611, 9443222, 18886444, 23608055, 37772888, 47216110, 94432220, 188864440]

約数ペア:

[(1, 188864440), (2, 94432220), (4, 47216110), (5, 37772888), (8, 23608055), (10, 18886444), (20, 9443222), (40, 4721611), (53, 3563480), (106, 1781740), (212, 890870), (265, 712696), (424, 445435), (530, 356348), (1060, 178174), (2120, 89087)]