12618919100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1157699}}^1$

素因数の和:1157822

約数の個数: 36

約数和(自身を含む): 27634299000

約数和(自身を除く): 15015379900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 1157699, 2315398, 4630796, 5788495, 11576990, 23153980, 28942475, 57884950, 115769900, 126189191, 252378382, 504756764, 630945955, 1261891910, 2523783820, 3154729775, 6309459550, 12618919100]

約数ペア:

[(1, 12618919100), (2, 6309459550), (4, 3154729775), (5, 2523783820), (10, 1261891910), (20, 630945955), (25, 504756764), (50, 252378382), (100, 126189191), (109, 115769900), (218, 57884950), (436, 28942475), (545, 23153980), (1090, 11576990), (2180, 5788495), (2725, 4630796), (5450, 2315398), (10900, 1157699)]