51998720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{2539}}^1$

素因数の和:2568

約数の個数: 52

約数和(自身を含む): 124830840

約数和(自身を除く): 72832120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2539, 2560, 4096, 5078, 5120, 10156, 10240, 12695, 20312, 20480, 25390, 40624, 50780, 81248, 101560, 162496, 203120, 324992, 406240, 649984, 812480, 1299968, 1624960, 2599936, 3249920, 5199872, 6499840, 10399744, 12999680, 25999360, 51998720]

約数ペア:

[(1, 51998720), (2, 25999360), (4, 12999680), (5, 10399744), (8, 6499840), (10, 5199872), (16, 3249920), (20, 2599936), (32, 1624960), (40, 1299968), (64, 812480), (80, 649984), (128, 406240), (160, 324992), (256, 203120), (320, 162496), (512, 101560), (640, 81248), (1024, 50780), (1280, 40624), (2048, 25390), (2539, 20480), (2560, 20312), (4096, 12695), (5078, 10240), (5120, 10156)]