28327040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6323}}^1$

素因数の和:6349

約数の個数: 64

約数和(自身を含む): 77405760

約数和(自身を除く): 49078720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 6323, 12646, 25292, 31615, 44261, 50584, 63230, 88522, 101168, 126460, 177044, 202336, 221305, 252920, 354088, 404672, 442610, 505840, 708176, 809344, 885220, 1011680, 1416352, 1770440, 2023360, 2832704, 3540880, 4046720, 5665408, 7081760, 14163520, 28327040]

約数ペア:

[(1, 28327040), (2, 14163520), (4, 7081760), (5, 5665408), (7, 4046720), (8, 3540880), (10, 2832704), (14, 2023360), (16, 1770440), (20, 1416352), (28, 1011680), (32, 885220), (35, 809344), (40, 708176), (56, 505840), (64, 442610), (70, 404672), (80, 354088), (112, 252920), (128, 221305), (140, 202336), (160, 177044), (224, 126460), (280, 101168), (320, 88522), (448, 63230), (560, 50584), (640, 44261), (896, 31615), (1120, 25292), (2240, 12646), (4480, 6323)]