8519080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2393}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 19391400

約数和(自身を除く): 10872320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2393, 3560, 4786, 9572, 11965, 19144, 23930, 47860, 95720, 212977, 425954, 851908, 1064885, 1703816, 2129770, 4259540, 8519080]

約数ペア:

[(1, 8519080), (2, 4259540), (4, 2129770), (5, 1703816), (8, 1064885), (10, 851908), (20, 425954), (40, 212977), (89, 95720), (178, 47860), (356, 23930), (445, 19144), (712, 11965), (890, 9572), (1780, 4786), (2393, 3560)]