31621120

素因数分解:

$2^{15}\times 5^1\times {\mathrm{193}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 76282740

約数和(自身を除く): 44661620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 256, 320, 386, 512, 640, 772, 965, 1024, 1280, 1544, 1930, 2048, 2560, 3088, 3860, 4096, 5120, 6176, 7720, 8192, 10240, 12352, 15440, 16384, 20480, 24704, 30880, 32768, 40960, 49408, 61760, 81920, 98816, 123520, 163840, 197632, 247040, 395264, 494080, 790528, 988160, 1581056, 1976320, 3162112, 3952640, 6324224, 7905280, 15810560, 31621120]

約数ペア:

[(1, 31621120), (2, 15810560), (4, 7905280), (5, 6324224), (8, 3952640), (10, 3162112), (16, 1976320), (20, 1581056), (32, 988160), (40, 790528), (64, 494080), (80, 395264), (128, 247040), (160, 197632), (193, 163840), (256, 123520), (320, 98816), (386, 81920), (512, 61760), (640, 49408), (772, 40960), (965, 32768), (1024, 30880), (1280, 24704), (1544, 20480), (1930, 16384), (2048, 15440), (2560, 12352), (3088, 10240), (3860, 8192), (4096, 7720), (5120, 6176)]