12700672

素因数分解:

$2^{10}\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 44

約数和(自身を含む): 25874080

約数和(自身を除く): 13173408

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 157, 158, 256, 314, 316, 512, 628, 632, 1024, 1256, 1264, 2512, 2528, 5024, 5056, 10048, 10112, 12403, 20096, 20224, 24806, 40192, 40448, 49612, 80384, 80896, 99224, 160768, 198448, 396896, 793792, 1587584, 3175168, 6350336, 12700672]

約数ペア:

[(1, 12700672), (2, 6350336), (4, 3175168), (8, 1587584), (16, 793792), (32, 396896), (64, 198448), (79, 160768), (128, 99224), (157, 80896), (158, 80384), (256, 49612), (314, 40448), (316, 40192), (512, 24806), (628, 20224), (632, 20096), (1024, 12403), (1256, 10112), (1264, 10048), (2512, 5056), (2528, 5024)]