2896760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 6577200

約数和(自身を除く): 3680440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 521, 556, 695, 1042, 1112, 1390, 2084, 2605, 2780, 4168, 5210, 5560, 10420, 20840, 72419, 144838, 289676, 362095, 579352, 724190, 1448380, 2896760]

約数ペア:

[(1, 2896760), (2, 1448380), (4, 724190), (5, 579352), (8, 362095), (10, 289676), (20, 144838), (40, 72419), (139, 20840), (278, 10420), (521, 5560), (556, 5210), (695, 4168), (1042, 2780), (1112, 2605), (1390, 2084)]