99970120

素因数分解:

$2^3\times 5^1\times {\mathrm{2499253}}^1$

素因数の和:2499264

約数の個数: 16

約数和(自身を含む): 224932860

約数和(自身を除く): 124962740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2499253, 4998506, 9997012, 12496265, 19994024, 24992530, 49985060, 99970120]

約数ペア:

[(1, 99970120), (2, 49985060), (4, 24992530), (5, 19994024), (8, 12496265), (10, 9997012), (20, 4998506), (40, 2499253)]