80752640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{3943}}^1$

素因数の和:3972

約数の個数: 52

約数和(自身を含む): 193831824

約数和(自身を除く): 113079184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 3943, 4096, 5120, 7886, 10240, 15772, 19715, 20480, 31544, 39430, 63088, 78860, 126176, 157720, 252352, 315440, 504704, 630880, 1009408, 1261760, 2018816, 2523520, 4037632, 5047040, 8075264, 10094080, 16150528, 20188160, 40376320, 80752640]

約数ペア:

[(1, 80752640), (2, 40376320), (4, 20188160), (5, 16150528), (8, 10094080), (10, 8075264), (16, 5047040), (20, 4037632), (32, 2523520), (40, 2018816), (64, 1261760), (80, 1009408), (128, 630880), (160, 504704), (256, 315440), (320, 252352), (512, 157720), (640, 126176), (1024, 78860), (1280, 63088), (2048, 39430), (2560, 31544), (3943, 20480), (4096, 19715), (5120, 15772), (7886, 10240)]