28813760

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:853

約数の個数: 56

約数和(自身を含む): 69250560

約数和(自身を除く): 40436800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 709, 1016, 1270, 1418, 2032, 2540, 2836, 3545, 4064, 5080, 5672, 7090, 8128, 10160, 11344, 14180, 20320, 22688, 28360, 40640, 45376, 56720, 90043, 113440, 180086, 226880, 360172, 450215, 720344, 900430, 1440688, 1800860, 2881376, 3601720, 5762752, 7203440, 14406880, 28813760]

約数ペア:

[(1, 28813760), (2, 14406880), (4, 7203440), (5, 5762752), (8, 3601720), (10, 2881376), (16, 1800860), (20, 1440688), (32, 900430), (40, 720344), (64, 450215), (80, 360172), (127, 226880), (160, 180086), (254, 113440), (320, 90043), (508, 56720), (635, 45376), (709, 40640), (1016, 28360), (1270, 22688), (1418, 20320), (2032, 14180), (2540, 11344), (2836, 10160), (3545, 8128), (4064, 7090), (5080, 5672)]