40013260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{919}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 96445440

約数和(自身を除く): 56432180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 919, 1244, 1555, 1838, 2177, 3110, 3676, 4354, 4595, 6220, 6433, 8708, 9190, 10885, 12866, 18380, 21770, 25732, 32165, 43540, 64330, 128660, 285809, 571618, 1143236, 1429045, 2000663, 2858090, 4001326, 5716180, 8002652, 10003315, 20006630, 40013260]

約数ペア:

[(1, 40013260), (2, 20006630), (4, 10003315), (5, 8002652), (7, 5716180), (10, 4001326), (14, 2858090), (20, 2000663), (28, 1429045), (35, 1143236), (70, 571618), (140, 285809), (311, 128660), (622, 64330), (919, 43540), (1244, 32165), (1555, 25732), (1838, 21770), (2177, 18380), (3110, 12866), (3676, 10885), (4354, 9190), (4595, 8708), (6220, 6433)]