19200400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2128

約数の個数: 60

約数和(自身を含む): 48157632

約数和(自身を除く): 28957232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2087, 2300, 4174, 4600, 8348, 9200, 10435, 16696, 20870, 33392, 41740, 48001, 52175, 83480, 96002, 104350, 166960, 192004, 208700, 240005, 384008, 417400, 480010, 768016, 834800, 960020, 1200025, 1920040, 2400050, 3840080, 4800100, 9600200, 19200400]

約数ペア:

[(1, 19200400), (2, 9600200), (4, 4800100), (5, 3840080), (8, 2400050), (10, 1920040), (16, 1200025), (20, 960020), (23, 834800), (25, 768016), (40, 480010), (46, 417400), (50, 384008), (80, 240005), (92, 208700), (100, 192004), (115, 166960), (184, 104350), (200, 96002), (230, 83480), (368, 52175), (400, 48001), (460, 41740), (575, 33392), (920, 20870), (1150, 16696), (1840, 10435), (2087, 9200), (2300, 8348), (4174, 4600)]