38884000

素因数分解:

$2^5\times 5^3\times {\mathrm{9721}}^1$

素因数の和:9746

約数の個数: 48

約数和(自身を含む): 95547816

約数和(自身を除く): 56663816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 9721, 19442, 38884, 48605, 77768, 97210, 155536, 194420, 243025, 311072, 388840, 486050, 777680, 972100, 1215125, 1555360, 1944200, 2430250, 3888400, 4860500, 7776800, 9721000, 19442000, 38884000]

約数ペア:

[(1, 38884000), (2, 19442000), (4, 9721000), (5, 7776800), (8, 4860500), (10, 3888400), (16, 2430250), (20, 1944200), (25, 1555360), (32, 1215125), (40, 972100), (50, 777680), (80, 486050), (100, 388840), (125, 311072), (160, 243025), (200, 194420), (250, 155536), (400, 97210), (500, 77768), (800, 48605), (1000, 38884), (2000, 19442), (4000, 9721)]