28963760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51721}}^1$

素因数の和:51741

約数の個数: 40

約数和(自身を含む): 76962336

約数和(自身を除く): 47998576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51721, 103442, 206884, 258605, 362047, 413768, 517210, 724094, 827536, 1034420, 1448188, 1810235, 2068840, 2896376, 3620470, 4137680, 5792752, 7240940, 14481880, 28963760]

約数ペア:

[(1, 28963760), (2, 14481880), (4, 7240940), (5, 5792752), (7, 4137680), (8, 3620470), (10, 2896376), (14, 2068840), (16, 1810235), (20, 1448188), (28, 1034420), (35, 827536), (40, 724094), (56, 517210), (70, 413768), (80, 362047), (112, 258605), (140, 206884), (280, 103442), (560, 51721)]