80988680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{119101}}^1$

素因数の和:119129

約数の個数: 32

約数和(自身を含む): 192945240

約数和(自身を除く): 111956560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 119101, 238202, 476404, 595505, 952808, 1191010, 2024717, 2382020, 4049434, 4764040, 8098868, 10123585, 16197736, 20247170, 40494340, 80988680]

約数ペア:

[(1, 80988680), (2, 40494340), (4, 20247170), (5, 16197736), (8, 10123585), (10, 8098868), (17, 4764040), (20, 4049434), (34, 2382020), (40, 2024717), (68, 1191010), (85, 952808), (136, 595505), (170, 476404), (340, 238202), (680, 119101)]