28947520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12923}}^1$

素因数の和:12947

約数の個数: 56

約数和(自身を含む): 78784704

約数和(自身を除く): 49837184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12923, 25846, 51692, 64615, 90461, 103384, 129230, 180922, 206768, 258460, 361844, 413536, 452305, 516920, 723688, 827072, 904610, 1033840, 1447376, 1809220, 2067680, 2894752, 3618440, 4135360, 5789504, 7236880, 14473760, 28947520]

約数ペア:

[(1, 28947520), (2, 14473760), (4, 7236880), (5, 5789504), (7, 4135360), (8, 3618440), (10, 2894752), (14, 2067680), (16, 1809220), (20, 1447376), (28, 1033840), (32, 904610), (35, 827072), (40, 723688), (56, 516920), (64, 452305), (70, 413536), (80, 361844), (112, 258460), (140, 206768), (160, 180922), (224, 129230), (280, 103384), (320, 90461), (448, 64615), (560, 51692), (1120, 25846), (2240, 12923)]