200236040

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{11149}}^1$

素因数の和:11609

約数の個数: 32

約数和(自身を含む): 451575000

約数和(自身を除く): 251338960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 8980, 11149, 17960, 22298, 44596, 55745, 89192, 111490, 222980, 445960, 5005901, 10011802, 20023604, 25029505, 40047208, 50059010, 100118020, 200236040]

約数ペア:

[(1, 200236040), (2, 100118020), (4, 50059010), (5, 40047208), (8, 25029505), (10, 20023604), (20, 10011802), (40, 5005901), (449, 445960), (898, 222980), (1796, 111490), (2245, 89192), (3592, 55745), (4490, 44596), (8980, 22298), (11149, 17960)]