207918080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{40609}}^1$

素因数の和:40634

約数の個数: 44

約数和(自身を含む): 498772020

約数和(自身を除く): 290853940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 40609, 81218, 162436, 203045, 324872, 406090, 649744, 812180, 1299488, 1624360, 2598976, 3248720, 5197952, 6497440, 10395904, 12994880, 20791808, 25989760, 41583616, 51979520, 103959040, 207918080]

約数ペア:

[(1, 207918080), (2, 103959040), (4, 51979520), (5, 41583616), (8, 25989760), (10, 20791808), (16, 12994880), (20, 10395904), (32, 6497440), (40, 5197952), (64, 3248720), (80, 2598976), (128, 1624360), (160, 1299488), (256, 812180), (320, 649744), (512, 406090), (640, 324872), (1024, 203045), (1280, 162436), (2560, 81218), (5120, 40609)]