28006400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{547}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 69565860

約数和(自身を除く): 41559460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 547, 640, 800, 1024, 1094, 1280, 1600, 2048, 2188, 2560, 2735, 3200, 4376, 5120, 5470, 6400, 8752, 10240, 10940, 12800, 13675, 17504, 21880, 25600, 27350, 35008, 43760, 51200, 54700, 70016, 87520, 109400, 140032, 175040, 218800, 280064, 350080, 437600, 560128, 700160, 875200, 1120256, 1400320, 1750400, 2800640, 3500800, 5601280, 7001600, 14003200, 28006400]

約数ペア:

[(1, 28006400), (2, 14003200), (4, 7001600), (5, 5601280), (8, 3500800), (10, 2800640), (16, 1750400), (20, 1400320), (25, 1120256), (32, 875200), (40, 700160), (50, 560128), (64, 437600), (80, 350080), (100, 280064), (128, 218800), (160, 175040), (200, 140032), (256, 109400), (320, 87520), (400, 70016), (512, 54700), (547, 51200), (640, 43760), (800, 35008), (1024, 27350), (1094, 25600), (1280, 21880), (1600, 17504), (2048, 13675), (2188, 12800), (2560, 10940), (2735, 10240), (3200, 8752), (4376, 6400), (5120, 5470)]