98172920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{17657}}^1$

素因数の和:17807

約数の個数: 32

約数和(自身を含む): 222490800

約数和(自身を除く): 124317880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 17657, 35314, 70628, 88285, 141256, 176570, 353140, 706280, 2454323, 4908646, 9817292, 12271615, 19634584, 24543230, 49086460, 98172920]

約数ペア:

[(1, 98172920), (2, 49086460), (4, 24543230), (5, 19634584), (8, 12271615), (10, 9817292), (20, 4908646), (40, 2454323), (139, 706280), (278, 353140), (556, 176570), (695, 141256), (1112, 88285), (1390, 70628), (2780, 35314), (5560, 17657)]