1155380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 2487240

約数和(自身を除く): 1331860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1409, 2818, 5636, 7045, 14090, 28180, 57769, 115538, 231076, 288845, 577690, 1155380]

約数ペア:

[(1, 1155380), (2, 577690), (4, 288845), (5, 231076), (10, 115538), (20, 57769), (41, 28180), (82, 14090), (164, 7045), (205, 5636), (410, 2818), (820, 1409)]