77948480

素因数分解:

$2^6\times 5^1\times {\mathrm{243589}}^1$

素因数の和:243606

約数の個数: 28

約数和(自身を含む): 185615580

約数和(自身を除く): 107667100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243589, 487178, 974356, 1217945, 1948712, 2435890, 3897424, 4871780, 7794848, 9743560, 15589696, 19487120, 38974240, 77948480]

約数ペア:

[(1, 77948480), (2, 38974240), (4, 19487120), (5, 15589696), (8, 9743560), (10, 7794848), (16, 4871780), (20, 3897424), (32, 2435890), (40, 1948712), (64, 1217945), (80, 974356), (160, 487178), (320, 243589)]