127981040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145433}}^1$

素因数の和:145457

約数の個数: 40

約数和(自身を含む): 324608688

約数和(自身を除く): 196627648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 145433, 290866, 581732, 727165, 1163464, 1454330, 1599763, 2326928, 2908660, 3199526, 5817320, 6399052, 7998815, 11634640, 12798104, 15997630, 25596208, 31995260, 63990520, 127981040]

約数ペア:

[(1, 127981040), (2, 63990520), (4, 31995260), (5, 25596208), (8, 15997630), (10, 12798104), (11, 11634640), (16, 7998815), (20, 6399052), (22, 5817320), (40, 3199526), (44, 2908660), (55, 2326928), (80, 1599763), (88, 1454330), (110, 1163464), (176, 727165), (220, 581732), (440, 290866), (880, 145433)]