85417280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20533}}^1$

素因数の和:20563

約数の個数: 56

約数和(自身を含む): 219056712

約数和(自身を除く): 133639432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20533, 41066, 82132, 102665, 164264, 205330, 266929, 328528, 410660, 533858, 657056, 821320, 1067716, 1314112, 1334645, 1642640, 2135432, 2669290, 3285280, 4270864, 5338580, 6570560, 8541728, 10677160, 17083456, 21354320, 42708640, 85417280]

約数ペア:

[(1, 85417280), (2, 42708640), (4, 21354320), (5, 17083456), (8, 10677160), (10, 8541728), (13, 6570560), (16, 5338580), (20, 4270864), (26, 3285280), (32, 2669290), (40, 2135432), (52, 1642640), (64, 1334645), (65, 1314112), (80, 1067716), (104, 821320), (130, 657056), (160, 533858), (208, 410660), (260, 328528), (320, 266929), (416, 205330), (520, 164264), (832, 102665), (1040, 82132), (2080, 41066), (4160, 20533)]