66641920

素因数分解:

$2^{13}\times 5^1\times {\mathrm{1627}}^1$

素因数の和:1658

約数の個数: 56

約数和(自身を含む): 160029144

約数和(自身を除く): 93387224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1627, 2048, 2560, 3254, 4096, 5120, 6508, 8135, 8192, 10240, 13016, 16270, 20480, 26032, 32540, 40960, 52064, 65080, 104128, 130160, 208256, 260320, 416512, 520640, 833024, 1041280, 1666048, 2082560, 3332096, 4165120, 6664192, 8330240, 13328384, 16660480, 33320960, 66641920]

約数ペア:

[(1, 66641920), (2, 33320960), (4, 16660480), (5, 13328384), (8, 8330240), (10, 6664192), (16, 4165120), (20, 3332096), (32, 2082560), (40, 1666048), (64, 1041280), (80, 833024), (128, 520640), (160, 416512), (256, 260320), (320, 208256), (512, 130160), (640, 104128), (1024, 65080), (1280, 52064), (1627, 40960), (2048, 32540), (2560, 26032), (3254, 20480), (4096, 16270), (5120, 13016), (6508, 10240), (8135, 8192)]