80944400

素因数分解:

$2^4\times 5^2\times {\mathrm{202361}}^1$

素因数の和:202379

約数の個数: 30

約数和(自身を含む): 194469882

約数和(自身を除く): 113525482

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 202361, 404722, 809444, 1011805, 1618888, 2023610, 3237776, 4047220, 5059025, 8094440, 10118050, 16188880, 20236100, 40472200, 80944400]

約数ペア:

[(1, 80944400), (2, 40472200), (4, 20236100), (5, 16188880), (8, 10118050), (10, 8094440), (16, 5059025), (20, 4047220), (25, 3237776), (40, 2023610), (50, 1618888), (80, 1011805), (100, 809444), (200, 404722), (400, 202361)]