51140290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 95664240

約数和(自身を除く): 44523950

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 370, 445, 890, 1553, 3106, 3293, 6586, 7765, 15530, 16465, 32930, 57461, 114922, 138217, 276434, 287305, 574610, 691085, 1382170, 5114029, 10228058, 25570145, 51140290]

約数ペア:

[(1, 51140290), (2, 25570145), (5, 10228058), (10, 5114029), (37, 1382170), (74, 691085), (89, 574610), (178, 287305), (185, 276434), (370, 138217), (445, 114922), (890, 57461), (1553, 32930), (3106, 16465), (3293, 15530), (6586, 7765)]