201074960

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2521}}^1$

素因数の和:3531

約数の個数: 40

約数和(自身を含む): 468153816

約数和(自身を除く): 267078856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1994, 2521, 3988, 4985, 5042, 7976, 9970, 10084, 12605, 15952, 19940, 20168, 25210, 39880, 40336, 50420, 79760, 100840, 201680, 2513437, 5026874, 10053748, 12567185, 20107496, 25134370, 40214992, 50268740, 100537480, 201074960]

約数ペア:

[(1, 201074960), (2, 100537480), (4, 50268740), (5, 40214992), (8, 25134370), (10, 20107496), (16, 12567185), (20, 10053748), (40, 5026874), (80, 2513437), (997, 201680), (1994, 100840), (2521, 79760), (3988, 50420), (4985, 40336), (5042, 39880), (7976, 25210), (9970, 20168), (10084, 19940), (12605, 15952)]