450560

素因数分解:

$2^{13}\times 5^1\times {\mathrm{11}}^1$

素因数の和:42

約数の個数: 56

約数和(自身を含む): 1179576

約数和(自身を除く): 729016

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, 20480, 22528, 28160, 40960, 45056, 56320, 90112, 112640, 225280, 450560]

約数ペア:

[(1, 450560), (2, 225280), (4, 112640), (5, 90112), (8, 56320), (10, 45056), (11, 40960), (16, 28160), (20, 22528), (22, 20480), (32, 14080), (40, 11264), (44, 10240), (55, 8192), (64, 7040), (80, 5632), (88, 5120), (110, 4096), (128, 3520), (160, 2816), (176, 2560), (220, 2048), (256, 1760), (320, 1408), (352, 1280), (440, 1024), (512, 880), (640, 704)]