26740480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 69021792

約数和(自身を除く): 42281312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1607, 1664, 2080, 3214, 3328, 4160, 6428, 8035, 8320, 12856, 16070, 16640, 20891, 25712, 32140, 41782, 51424, 64280, 83564, 102848, 104455, 128560, 167128, 205696, 208910, 257120, 334256, 411392, 417820, 514240, 668512, 835640, 1028480, 1337024, 1671280, 2056960, 2674048, 3342560, 5348096, 6685120, 13370240, 26740480]

約数ペア:

[(1, 26740480), (2, 13370240), (4, 6685120), (5, 5348096), (8, 3342560), (10, 2674048), (13, 2056960), (16, 1671280), (20, 1337024), (26, 1028480), (32, 835640), (40, 668512), (52, 514240), (64, 417820), (65, 411392), (80, 334256), (104, 257120), (128, 208910), (130, 205696), (160, 167128), (208, 128560), (256, 104455), (260, 102848), (320, 83564), (416, 64280), (520, 51424), (640, 41782), (832, 32140), (1040, 25712), (1280, 20891), (1607, 16640), (1664, 16070), (2080, 12856), (3214, 8320), (3328, 8035), (4160, 6428)]