896045380

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{109541}}^1$

素因数の和:109959

約数の個数: 24

約数和(自身を含む): 1886313240

約数和(自身を除く): 990267860

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 109541, 219082, 438164, 547705, 1095410, 2190820, 44802269, 89604538, 179209076, 224011345, 448022690, 896045380]

約数ペア:

[(1, 896045380), (2, 448022690), (4, 224011345), (5, 179209076), (10, 89604538), (20, 44802269), (409, 2190820), (818, 1095410), (1636, 547705), (2045, 438164), (4090, 219082), (8180, 109541)]