22744840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6389}}^1$

素因数の和:6489

約数の個数: 32

約数和(自身を含む): 51759000

約数和(自身を除く): 29014160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6389, 12778, 25556, 31945, 51112, 63890, 127780, 255560, 568621, 1137242, 2274484, 2843105, 4548968, 5686210, 11372420, 22744840]

約数ペア:

[(1, 22744840), (2, 11372420), (4, 5686210), (5, 4548968), (8, 2843105), (10, 2274484), (20, 1137242), (40, 568621), (89, 255560), (178, 127780), (356, 63890), (445, 51112), (712, 31945), (890, 25556), (1780, 12778), (3560, 6389)]