71315080

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6779}}^1$

素因数の和:7053

約数の個数: 32

約数和(自身を含む): 161092800

約数和(自身を除く): 89777720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 6779, 10520, 13558, 27116, 33895, 54232, 67790, 135580, 271160, 1782877, 3565754, 7131508, 8914385, 14263016, 17828770, 35657540, 71315080]

約数ペア:

[(1, 71315080), (2, 35657540), (4, 17828770), (5, 14263016), (8, 8914385), (10, 7131508), (20, 3565754), (40, 1782877), (263, 271160), (526, 135580), (1052, 67790), (1315, 54232), (2104, 33895), (2630, 27116), (5260, 13558), (6779, 10520)]