128899760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146477}}^1$

素因数の和:146501

約数の個数: 40

約数和(自身を含む): 326938896

約数和(自身を除く): 198039136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 146477, 292954, 585908, 732385, 1171816, 1464770, 1611247, 2343632, 2929540, 3222494, 5859080, 6444988, 8056235, 11718160, 12889976, 16112470, 25779952, 32224940, 64449880, 128899760]

約数ペア:

[(1, 128899760), (2, 64449880), (4, 32224940), (5, 25779952), (8, 16112470), (10, 12889976), (11, 11718160), (16, 8056235), (20, 6444988), (22, 5859080), (40, 3222494), (44, 2929540), (55, 2343632), (80, 1611247), (88, 1464770), (110, 1171816), (176, 732385), (220, 585908), (440, 292954), (880, 146477)]