4967980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2791}}^1$

素因数の和:2889

約数の個数: 24

約数和(自身を含む): 10553760

約数和(自身を除く): 5585780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2791, 5582, 11164, 13955, 27910, 55820, 248399, 496798, 993596, 1241995, 2483990, 4967980]

約数ペア:

[(1, 4967980), (2, 2483990), (4, 1241995), (5, 993596), (10, 496798), (20, 248399), (89, 55820), (178, 27910), (356, 13955), (445, 11164), (890, 5582), (1780, 2791)]