16752640

素因数分解:

$2^{13}\times 5^1\times {\mathrm{409}}^1$

素因数の和:440

約数の個数: 56

約数和(自身を含む): 40302180

約数和(自身を除く): 23549540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 409, 512, 640, 818, 1024, 1280, 1636, 2045, 2048, 2560, 3272, 4090, 4096, 5120, 6544, 8180, 8192, 10240, 13088, 16360, 20480, 26176, 32720, 40960, 52352, 65440, 104704, 130880, 209408, 261760, 418816, 523520, 837632, 1047040, 1675264, 2094080, 3350528, 4188160, 8376320, 16752640]

約数ペア:

[(1, 16752640), (2, 8376320), (4, 4188160), (5, 3350528), (8, 2094080), (10, 1675264), (16, 1047040), (20, 837632), (32, 523520), (40, 418816), (64, 261760), (80, 209408), (128, 130880), (160, 104704), (256, 65440), (320, 52352), (409, 40960), (512, 32720), (640, 26176), (818, 20480), (1024, 16360), (1280, 13088), (1636, 10240), (2045, 8192), (2048, 8180), (2560, 6544), (3272, 5120), (4090, 4096)]