4259540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2393}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 9049320

約数和(自身を除く): 4789780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2393, 4786, 9572, 11965, 23930, 47860, 212977, 425954, 851908, 1064885, 2129770, 4259540]

約数ペア:

[(1, 4259540), (2, 2129770), (4, 1064885), (5, 851908), (10, 425954), (20, 212977), (89, 47860), (178, 23930), (356, 11965), (445, 9572), (890, 4786), (1780, 2393)]