81044480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1439}}^1$

素因数の和:1475

約数の個数: 88

約数和(自身を含む): 212232960

約数和(自身を除く): 131188480

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, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1439, 1760, 2560, 2816, 2878, 3520, 5120, 5632, 5756, 7040, 7195, 11264, 11512, 14080, 14390, 15829, 23024, 28160, 28780, 31658, 46048, 56320, 57560, 63316, 79145, 92096, 115120, 126632, 158290, 184192, 230240, 253264, 316580, 368384, 460480, 506528, 633160, 736768, 920960, 1013056, 1266320, 1473536, 1841920, 2026112, 2532640, 3683840, 4052224, 5065280, 7367680, 8104448, 10130560, 16208896, 20261120, 40522240, 81044480]

約数ペア:

[(1, 81044480), (2, 40522240), (4, 20261120), (5, 16208896), (8, 10130560), (10, 8104448), (11, 7367680), (16, 5065280), (20, 4052224), (22, 3683840), (32, 2532640), (40, 2026112), (44, 1841920), (55, 1473536), (64, 1266320), (80, 1013056), (88, 920960), (110, 736768), (128, 633160), (160, 506528), (176, 460480), (220, 368384), (256, 316580), (320, 253264), (352, 230240), (440, 184192), (512, 158290), (640, 126632), (704, 115120), (880, 92096), (1024, 79145), (1280, 63316), (1408, 57560), (1439, 56320), (1760, 46048), (2560, 31658), (2816, 28780), (2878, 28160), (3520, 23024), (5120, 15829), (5632, 14390), (5756, 14080), (7040, 11512), (7195, 11264)]