13050880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{2549}}^1$

素因数の和:2574

約数の個数: 44

約数和(自身を含む): 31319100

約数和(自身を除く): 18268220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2549, 2560, 5098, 5120, 10196, 12745, 20392, 25490, 40784, 50980, 81568, 101960, 163136, 203920, 326272, 407840, 652544, 815680, 1305088, 1631360, 2610176, 3262720, 6525440, 13050880]

約数ペア:

[(1, 13050880), (2, 6525440), (4, 3262720), (5, 2610176), (8, 1631360), (10, 1305088), (16, 815680), (20, 652544), (32, 407840), (40, 326272), (64, 203920), (80, 163136), (128, 101960), (160, 81568), (256, 50980), (320, 40784), (512, 25490), (640, 20392), (1024, 12745), (1280, 10196), (2549, 5120), (2560, 5098)]