81900200

素因数分解:

$2^3\times 5^2\times {\mathrm{283}}^1\times {\mathrm{1447}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 191222880

約数和(自身を除く): 109322680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 283, 566, 1132, 1415, 1447, 2264, 2830, 2894, 5660, 5788, 7075, 7235, 11320, 11576, 14150, 14470, 28300, 28940, 36175, 56600, 57880, 72350, 144700, 289400, 409501, 819002, 1638004, 2047505, 3276008, 4095010, 8190020, 10237525, 16380040, 20475050, 40950100, 81900200]

約数ペア:

[(1, 81900200), (2, 40950100), (4, 20475050), (5, 16380040), (8, 10237525), (10, 8190020), (20, 4095010), (25, 3276008), (40, 2047505), (50, 1638004), (100, 819002), (200, 409501), (283, 289400), (566, 144700), (1132, 72350), (1415, 57880), (1447, 56600), (2264, 36175), (2830, 28940), (2894, 28300), (5660, 14470), (5788, 14150), (7075, 11576), (7235, 11320)]