39996928

素因数分解:

$2^9\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:618

約数の個数: 40

約数和(自身を含む): 80530560

約数和(自身を除く): 40533632

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 256, 382, 409, 512, 764, 818, 1528, 1636, 3056, 3272, 6112, 6544, 12224, 13088, 24448, 26176, 48896, 52352, 78119, 97792, 104704, 156238, 209408, 312476, 624952, 1249904, 2499808, 4999616, 9999232, 19998464, 39996928]

約数ペア:

[(1, 39996928), (2, 19998464), (4, 9999232), (8, 4999616), (16, 2499808), (32, 1249904), (64, 624952), (128, 312476), (191, 209408), (256, 156238), (382, 104704), (409, 97792), (512, 78119), (764, 52352), (818, 48896), (1528, 26176), (1636, 24448), (3056, 13088), (3272, 12224), (6112, 6544)]