8643880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30871}}^1$

素因数の和:30889

約数の個数: 32

約数和(自身を含む): 22227840

約数和(自身を除く): 13583960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30871, 61742, 123484, 154355, 216097, 246968, 308710, 432194, 617420, 864388, 1080485, 1234840, 1728776, 2160970, 4321940, 8643880]

約数ペア:

[(1, 8643880), (2, 4321940), (4, 2160970), (5, 1728776), (7, 1234840), (8, 1080485), (10, 864388), (14, 617420), (20, 432194), (28, 308710), (35, 246968), (40, 216097), (56, 154355), (70, 123484), (140, 61742), (280, 30871)]