489656320

素因数分解:

$2^{12}\times 5^1\times {\mathrm{23909}}^1$

素因数の和:23938

約数の個数: 52

約数和(自身を含む): 1175080860

約数和(自身を除く): 685424540

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, 4096, 5120, 10240, 20480, 23909, 47818, 95636, 119545, 191272, 239090, 382544, 478180, 765088, 956360, 1530176, 1912720, 3060352, 3825440, 6120704, 7650880, 12241408, 15301760, 24482816, 30603520, 48965632, 61207040, 97931264, 122414080, 244828160, 489656320]

約数ペア:

[(1, 489656320), (2, 244828160), (4, 122414080), (5, 97931264), (8, 61207040), (10, 48965632), (16, 30603520), (20, 24482816), (32, 15301760), (40, 12241408), (64, 7650880), (80, 6120704), (128, 3825440), (160, 3060352), (256, 1912720), (320, 1530176), (512, 956360), (640, 765088), (1024, 478180), (1280, 382544), (2048, 239090), (2560, 191272), (4096, 119545), (5120, 95636), (10240, 47818), (20480, 23909)]