545016320

素因数分解:

$2^9\times 5^1\times {\mathrm{212897}}^1$

素因数の和:212920

約数の個数: 40

約数和(自身を含む): 1306767924

約数和(自身を除く): 761751604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 212897, 425794, 851588, 1064485, 1703176, 2128970, 3406352, 4257940, 6812704, 8515880, 13625408, 17031760, 27250816, 34063520, 54501632, 68127040, 109003264, 136254080, 272508160, 545016320]

約数ペア:

[(1, 545016320), (2, 272508160), (4, 136254080), (5, 109003264), (8, 68127040), (10, 54501632), (16, 34063520), (20, 27250816), (32, 17031760), (40, 13625408), (64, 8515880), (80, 6812704), (128, 4257940), (160, 3406352), (256, 2128970), (320, 1703176), (512, 1064485), (640, 851588), (1280, 425794), (2560, 212897)]