28695440

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{877}}^1$

素因数の和:1299

約数の個数: 40

約数和(自身を含む): 66956280

約数和(自身を除く): 38260840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 877, 1636, 1754, 2045, 3272, 3508, 4090, 4385, 6544, 7016, 8180, 8770, 14032, 16360, 17540, 32720, 35080, 70160, 358693, 717386, 1434772, 1793465, 2869544, 3586930, 5739088, 7173860, 14347720, 28695440]

約数ペア:

[(1, 28695440), (2, 14347720), (4, 7173860), (5, 5739088), (8, 3586930), (10, 2869544), (16, 1793465), (20, 1434772), (40, 717386), (80, 358693), (409, 70160), (818, 35080), (877, 32720), (1636, 17540), (1754, 16360), (2045, 14032), (3272, 8770), (3508, 8180), (4090, 7016), (4385, 6544)]