12661760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{2473}}^1$

素因数の和:2498

約数の個数: 44

約数和(自身を含む): 30385668

約数和(自身を除く): 17723908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2473, 2560, 4946, 5120, 9892, 12365, 19784, 24730, 39568, 49460, 79136, 98920, 158272, 197840, 316544, 395680, 633088, 791360, 1266176, 1582720, 2532352, 3165440, 6330880, 12661760]

約数ペア:

[(1, 12661760), (2, 6330880), (4, 3165440), (5, 2532352), (8, 1582720), (10, 1266176), (16, 791360), (20, 633088), (32, 395680), (40, 316544), (64, 197840), (80, 158272), (128, 98920), (160, 79136), (256, 49460), (320, 39568), (512, 24730), (640, 19784), (1024, 12365), (1280, 9892), (2473, 5120), (2560, 4946)]