8760280

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{563}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 19796400

約数和(自身を除く): 11036120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 563, 778, 1126, 1556, 1945, 2252, 2815, 3112, 3890, 4504, 5630, 7780, 11260, 15560, 22520, 219007, 438014, 876028, 1095035, 1752056, 2190070, 4380140, 8760280]

約数ペア:

[(1, 8760280), (2, 4380140), (4, 2190070), (5, 1752056), (8, 1095035), (10, 876028), (20, 438014), (40, 219007), (389, 22520), (563, 15560), (778, 11260), (1126, 7780), (1556, 5630), (1945, 4504), (2252, 3890), (2815, 3112)]