16620160

素因数分解:

$2^7\times 5^1\times {\mathrm{25969}}^1$

素因数の和:25988

約数の個数: 32

約数和(自身を含む): 39734100

約数和(自身を除く): 23113940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 25969, 51938, 103876, 129845, 207752, 259690, 415504, 519380, 831008, 1038760, 1662016, 2077520, 3324032, 4155040, 8310080, 16620160]

約数ペア:

[(1, 16620160), (2, 8310080), (4, 4155040), (5, 3324032), (8, 2077520), (10, 1662016), (16, 1038760), (20, 831008), (32, 519380), (40, 415504), (64, 259690), (80, 207752), (128, 129845), (160, 103876), (320, 51938), (640, 25969)]