42989920

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1933}}^1$

素因数の和:2087

約数の個数: 48

約数和(自身を含む): 102347280

約数和(自身を除く): 59357360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 1933, 2224, 2780, 3866, 4448, 5560, 7732, 9665, 11120, 15464, 19330, 22240, 30928, 38660, 61856, 77320, 154640, 268687, 309280, 537374, 1074748, 1343435, 2149496, 2686870, 4298992, 5373740, 8597984, 10747480, 21494960, 42989920]

約数ペア:

[(1, 42989920), (2, 21494960), (4, 10747480), (5, 8597984), (8, 5373740), (10, 4298992), (16, 2686870), (20, 2149496), (32, 1343435), (40, 1074748), (80, 537374), (139, 309280), (160, 268687), (278, 154640), (556, 77320), (695, 61856), (1112, 38660), (1390, 30928), (1933, 22240), (2224, 19330), (2780, 15464), (3866, 11120), (4448, 9665), (5560, 7732)]