51112240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15583}}^1$

素因数の和:15637

約数の個数: 40

約数和(自身を含む): 121742208

約数和(自身を除く): 70629968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 15583, 31166, 62332, 77915, 124664, 155830, 249328, 311660, 623320, 638903, 1246640, 1277806, 2555612, 3194515, 5111224, 6389030, 10222448, 12778060, 25556120, 51112240]

約数ペア:

[(1, 51112240), (2, 25556120), (4, 12778060), (5, 10222448), (8, 6389030), (10, 5111224), (16, 3194515), (20, 2555612), (40, 1277806), (41, 1246640), (80, 638903), (82, 623320), (164, 311660), (205, 249328), (328, 155830), (410, 124664), (656, 77915), (820, 62332), (1640, 31166), (3280, 15583)]