4384840

素因数分解:

$2^3\times 5^1\times {\mathrm{109621}}^1$

素因数の和:109632

約数の個数: 16

約数和(自身を含む): 9865980

約数和(自身を除く): 5481140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109621, 219242, 438484, 548105, 876968, 1096210, 2192420, 4384840]

約数ペア:

[(1, 4384840), (2, 2192420), (4, 1096210), (5, 876968), (8, 548105), (10, 438484), (20, 219242), (40, 109621)]