200416520

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{19051}}^1$

素因数の和:19325

約数の個数: 32

約数和(自身を含む): 452675520

約数和(自身を除く): 252259000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 19051, 38102, 76204, 95255, 152408, 190510, 381020, 762040, 5010413, 10020826, 20041652, 25052065, 40083304, 50104130, 100208260, 200416520]

約数ペア:

[(1, 200416520), (2, 100208260), (4, 50104130), (5, 40083304), (8, 25052065), (10, 20041652), (20, 10020826), (40, 5010413), (263, 762040), (526, 381020), (1052, 190510), (1315, 152408), (2104, 95255), (2630, 76204), (5260, 38102), (10520, 19051)]