25999360

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2539}}^1$

素因数の和:2566

約数の個数: 48

約数和(自身を含む): 62407800

約数和(自身を除く): 36408440

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, 5078, 5120, 10156, 10240, 12695, 20312, 25390, 40624, 50780, 81248, 101560, 162496, 203120, 324992, 406240, 649984, 812480, 1299968, 1624960, 2599936, 3249920, 5199872, 6499840, 12999680, 25999360]

約数ペア:

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