4964420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2789}}^1$

素因数の和:2887

約数の個数: 24

約数和(自身を含む): 10546200

約数和(自身を除く): 5581780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2789, 5578, 11156, 13945, 27890, 55780, 248221, 496442, 992884, 1241105, 2482210, 4964420]

約数ペア:

[(1, 4964420), (2, 2482210), (4, 1241105), (5, 992884), (10, 496442), (20, 248221), (89, 55780), (178, 27890), (356, 13945), (445, 11156), (890, 5578), (1780, 2789)]