12806900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1543}}^1$

素因数の和:1640

約数の個数: 36

約数和(自身を含む): 28144032

約数和(自身を除く): 15337132

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1543, 1660, 2075, 3086, 4150, 6172, 7715, 8300, 15430, 30860, 38575, 77150, 128069, 154300, 256138, 512276, 640345, 1280690, 2561380, 3201725, 6403450, 12806900]

約数ペア:

[(1, 12806900), (2, 6403450), (4, 3201725), (5, 2561380), (10, 1280690), (20, 640345), (25, 512276), (50, 256138), (83, 154300), (100, 128069), (166, 77150), (332, 38575), (415, 30860), (830, 15430), (1543, 8300), (1660, 7715), (2075, 6172), (3086, 4150)]