21692480

素因数分解:

$2^6\times 5^1\times {\mathrm{67789}}^1$

素因数の和:67806

約数の個数: 28

約数和(自身を含む): 51655980

約数和(自身を除く): 29963500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 67789, 135578, 271156, 338945, 542312, 677890, 1084624, 1355780, 2169248, 2711560, 4338496, 5423120, 10846240, 21692480]

約数ペア:

[(1, 21692480), (2, 10846240), (4, 5423120), (5, 4338496), (8, 2711560), (10, 2169248), (16, 1355780), (20, 1084624), (32, 677890), (40, 542312), (64, 338945), (80, 271156), (160, 135578), (320, 67789)]