51979520

素因数分解:

$2^8\times 5^1\times {\mathrm{40609}}^1$

素因数の和:40630

約数の個数: 36

約数和(自身を含む): 124510260

約数和(自身を除く): 72530740

約数列:

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

約数ペア:

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