1238750

素因数分解:

$2^1\times 5^4\times {\mathrm{991}}^1$

素因数の和:1013

約数の個数: 20

約数和(自身を含む): 2324256

約数和(自身を除く): 1085506

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 991, 1250, 1982, 4955, 9910, 24775, 49550, 123875, 247750, 619375, 1238750]

約数ペア:

[(1, 1238750), (2, 619375), (5, 247750), (10, 123875), (25, 49550), (50, 24775), (125, 9910), (250, 4955), (625, 1982), (991, 1250)]