164439040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{32117}}^1$

素因数の和:32142

約数の個数: 44

約数和(自身を含む): 394473276

約数和(自身を除く): 230034236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 32117, 64234, 128468, 160585, 256936, 321170, 513872, 642340, 1027744, 1284680, 2055488, 2569360, 4110976, 5138720, 8221952, 10277440, 16443904, 20554880, 32887808, 41109760, 82219520, 164439040]

約数ペア:

[(1, 164439040), (2, 82219520), (4, 41109760), (5, 32887808), (8, 20554880), (10, 16443904), (16, 10277440), (20, 8221952), (32, 5138720), (40, 4110976), (64, 2569360), (80, 2055488), (128, 1284680), (160, 1027744), (256, 642340), (320, 513872), (512, 321170), (640, 256936), (1024, 160585), (1280, 128468), (2560, 64234), (5120, 32117)]