1248538880

素因数分解:

$2^8\times 5^1\times {\mathrm{975421}}^1$

素因数の和:975442

約数の個数: 36

約数和(自身を含む): 2990643852

約数和(自身を除く): 1742104972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 975421, 1950842, 3901684, 4877105, 7803368, 9754210, 15606736, 19508420, 31213472, 39016840, 62426944, 78033680, 124853888, 156067360, 249707776, 312134720, 624269440, 1248538880]

約数ペア:

[(1, 1248538880), (2, 624269440), (4, 312134720), (5, 249707776), (8, 156067360), (10, 124853888), (16, 78033680), (20, 62426944), (32, 39016840), (40, 31213472), (64, 19508420), (80, 15606736), (128, 9754210), (160, 7803368), (256, 4877105), (320, 3901684), (640, 1950842), (1280, 975421)]