12889900

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1553}}^1$

素因数の和:1650

約数の個数: 36

約数和(自身を含む): 28326312

約数和(自身を除く): 15436412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1553, 1660, 2075, 3106, 4150, 6212, 7765, 8300, 15530, 31060, 38825, 77650, 128899, 155300, 257798, 515596, 644495, 1288990, 2577980, 3222475, 6444950, 12889900]

約数ペア:

[(1, 12889900), (2, 6444950), (4, 3222475), (5, 2577980), (10, 1288990), (20, 644495), (25, 515596), (50, 257798), (83, 155300), (100, 128899), (166, 77650), (332, 38825), (415, 31060), (830, 15530), (1553, 8300), (1660, 7765), (2075, 6212), (3106, 4150)]