81750850

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{19699}}^1$

素因数の和:19794

約数の個数: 24

約数和(自身を含む): 153896400

約数和(自身を除く): 72145550

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 19699, 39398, 98495, 196990, 492475, 984950, 1635017, 3270034, 8175085, 16350170, 40875425, 81750850]

約数ペア:

[(1, 81750850), (2, 40875425), (5, 16350170), (10, 8175085), (25, 3270034), (50, 1635017), (83, 984950), (166, 492475), (415, 196990), (830, 98495), (2075, 39398), (4150, 19699)]