15494920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55339}}^1$

素因数の和:55357

約数の個数: 32

約数和(自身を含む): 39844800

約数和(自身を除く): 24349880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55339, 110678, 221356, 276695, 387373, 442712, 553390, 774746, 1106780, 1549492, 1936865, 2213560, 3098984, 3873730, 7747460, 15494920]

約数ペア:

[(1, 15494920), (2, 7747460), (4, 3873730), (5, 3098984), (7, 2213560), (8, 1936865), (10, 1549492), (14, 1106780), (20, 774746), (28, 553390), (35, 442712), (40, 387373), (56, 276695), (70, 221356), (140, 110678), (280, 55339)]