2477500

素因数分解:

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

素因数の和:1015

約数の個数: 30

約数和(自身を含む): 5423264

約数和(自身を除く): 2945764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 991, 1250, 1982, 2500, 3964, 4955, 9910, 19820, 24775, 49550, 99100, 123875, 247750, 495500, 619375, 1238750, 2477500]

約数ペア:

[(1, 2477500), (2, 1238750), (4, 619375), (5, 495500), (10, 247750), (20, 123875), (25, 99100), (50, 49550), (100, 24775), (125, 19820), (250, 9910), (500, 4955), (625, 3964), (991, 2500), (1250, 1982)]