64663760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115471}}^1$

素因数の和:115491

約数の個数: 40

約数和(自身を含む): 171822336

約数和(自身を除く): 107158576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115471, 230942, 461884, 577355, 808297, 923768, 1154710, 1616594, 1847536, 2309420, 3233188, 4041485, 4618840, 6466376, 8082970, 9237680, 12932752, 16165940, 32331880, 64663760]

約数ペア:

[(1, 64663760), (2, 32331880), (4, 16165940), (5, 12932752), (7, 9237680), (8, 8082970), (10, 6466376), (14, 4618840), (16, 4041485), (20, 3233188), (28, 2309420), (35, 1847536), (40, 1616594), (56, 1154710), (70, 923768), (80, 808297), (112, 577355), (140, 461884), (280, 230942), (560, 115471)]