8243840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1$

素因数の和:1201

約数の個数: 64

約数和(自身を含む): 21517920

約数和(自身を除く): 13274080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1171, 1408, 1760, 2342, 3520, 4684, 5855, 7040, 9368, 11710, 12881, 18736, 23420, 25762, 37472, 46840, 51524, 64405, 74944, 93680, 103048, 128810, 149888, 187360, 206096, 257620, 374720, 412192, 515240, 749440, 824384, 1030480, 1648768, 2060960, 4121920, 8243840]

約数ペア:

[(1, 8243840), (2, 4121920), (4, 2060960), (5, 1648768), (8, 1030480), (10, 824384), (11, 749440), (16, 515240), (20, 412192), (22, 374720), (32, 257620), (40, 206096), (44, 187360), (55, 149888), (64, 128810), (80, 103048), (88, 93680), (110, 74944), (128, 64405), (160, 51524), (176, 46840), (220, 37472), (320, 25762), (352, 23420), (440, 18736), (640, 12881), (704, 11710), (880, 9368), (1171, 7040), (1408, 5855), (1760, 4684), (2342, 3520)]