81381376

素因数分解:

$2^{11}\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 165110400

約数和(自身を除く): 83729024

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 503, 512, 632, 1006, 1024, 1264, 2012, 2048, 2528, 4024, 5056, 8048, 10112, 16096, 20224, 32192, 39737, 40448, 64384, 79474, 80896, 128768, 158948, 161792, 257536, 317896, 515072, 635792, 1030144, 1271584, 2543168, 5086336, 10172672, 20345344, 40690688, 81381376]

約数ペア:

[(1, 81381376), (2, 40690688), (4, 20345344), (8, 10172672), (16, 5086336), (32, 2543168), (64, 1271584), (79, 1030144), (128, 635792), (158, 515072), (256, 317896), (316, 257536), (503, 161792), (512, 158948), (632, 128768), (1006, 80896), (1024, 79474), (1264, 64384), (2012, 40448), (2048, 39737), (2528, 32192), (4024, 20224), (5056, 16096), (8048, 10112)]