28835840

素因数分解:

$2^{19}\times 5^1\times {\mathrm{11}}^1$

素因数の和:54

約数の個数: 80

約数和(自身を含む): 75497400

約数和(自身を除く): 46661560

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, 1760, 2048, 2560, 2816, 3520, 4096, 5120, 5632, 7040, 8192, 10240, 11264, 14080, 16384, 20480, 22528, 28160, 32768, 40960, 45056, 56320, 65536, 81920, 90112, 112640, 131072, 163840, 180224, 225280, 262144, 327680, 360448, 450560, 524288, 655360, 720896, 901120, 1310720, 1441792, 1802240, 2621440, 2883584, 3604480, 5767168, 7208960, 14417920, 28835840]

約数ペア:

[(1, 28835840), (2, 14417920), (4, 7208960), (5, 5767168), (8, 3604480), (10, 2883584), (11, 2621440), (16, 1802240), (20, 1441792), (22, 1310720), (32, 901120), (40, 720896), (44, 655360), (55, 524288), (64, 450560), (80, 360448), (88, 327680), (110, 262144), (128, 225280), (160, 180224), (176, 163840), (220, 131072), (256, 112640), (320, 90112), (352, 81920), (440, 65536), (512, 56320), (640, 45056), (704, 40960), (880, 32768), (1024, 28160), (1280, 22528), (1408, 20480), (1760, 16384), (2048, 14080), (2560, 11264), (2816, 10240), (3520, 8192), (4096, 7040), (5120, 5632)]