889082840

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{57139}}^1$

素因数の和:57539

約数の個数: 32

約数和(自身を含む): 2005614000

約数和(自身を除く): 1116531160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 57139, 114278, 228556, 285695, 457112, 571390, 1142780, 2285560, 22227071, 44454142, 88908284, 111135355, 177816568, 222270710, 444541420, 889082840]

約数ペア:

[(1, 889082840), (2, 444541420), (4, 222270710), (5, 177816568), (8, 111135355), (10, 88908284), (20, 44454142), (40, 22227071), (389, 2285560), (778, 1142780), (1556, 571390), (1945, 457112), (3112, 285695), (3890, 228556), (7780, 114278), (15560, 57139)]