78995080

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{1511}}^1$

素因数の和:2829

約数の個数: 32

約数和(自身を含む): 177992640

約数和(自身を除く): 98997560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 1511, 2614, 3022, 5228, 6044, 6535, 7555, 10456, 12088, 13070, 15110, 26140, 30220, 52280, 60440, 1974877, 3949754, 7899508, 9874385, 15799016, 19748770, 39497540, 78995080]

約数ペア:

[(1, 78995080), (2, 39497540), (4, 19748770), (5, 15799016), (8, 9874385), (10, 7899508), (20, 3949754), (40, 1974877), (1307, 60440), (1511, 52280), (2614, 30220), (3022, 26140), (5228, 15110), (6044, 13070), (6535, 12088), (7555, 10456)]