52721360

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{997}}^1$

素因数の和:1671

約数の個数: 40

約数和(自身を含む): 122885736

約数和(自身を除く): 70164376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 997, 1322, 1994, 2644, 3305, 3988, 4985, 5288, 6610, 7976, 9970, 10576, 13220, 15952, 19940, 26440, 39880, 52880, 79760, 659017, 1318034, 2636068, 3295085, 5272136, 6590170, 10544272, 13180340, 26360680, 52721360]

約数ペア:

[(1, 52721360), (2, 26360680), (4, 13180340), (5, 10544272), (8, 6590170), (10, 5272136), (16, 3295085), (20, 2636068), (40, 1318034), (80, 659017), (661, 79760), (997, 52880), (1322, 39880), (1994, 26440), (2644, 19940), (3305, 15952), (3988, 13220), (4985, 10576), (5288, 9970), (6610, 7976)]