28105100

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2213}}^1$

素因数の和:2354

約数の個数: 36

約数和(自身を含む): 61496064

約数和(自身を除く): 33390964

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 2213, 2540, 3175, 4426, 6350, 8852, 11065, 12700, 22130, 44260, 55325, 110650, 221300, 281051, 562102, 1124204, 1405255, 2810510, 5621020, 7026275, 14052550, 28105100]

約数ペア:

[(1, 28105100), (2, 14052550), (4, 7026275), (5, 5621020), (10, 2810510), (20, 1405255), (25, 1124204), (50, 562102), (100, 281051), (127, 221300), (254, 110650), (508, 55325), (635, 44260), (1270, 22130), (2213, 12700), (2540, 11065), (3175, 8852), (4426, 6350)]