12666880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1237}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 30417660

約数和(自身を除く): 17750780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1237, 1280, 2048, 2474, 2560, 4948, 5120, 6185, 9896, 10240, 12370, 19792, 24740, 39584, 49480, 79168, 98960, 158336, 197920, 316672, 395840, 633344, 791680, 1266688, 1583360, 2533376, 3166720, 6333440, 12666880]

約数ペア:

[(1, 12666880), (2, 6333440), (4, 3166720), (5, 2533376), (8, 1583360), (10, 1266688), (16, 791680), (20, 633344), (32, 395840), (40, 316672), (64, 197920), (80, 158336), (128, 98960), (160, 79168), (256, 49480), (320, 39584), (512, 24740), (640, 19792), (1024, 12370), (1237, 10240), (1280, 9896), (2048, 6185), (2474, 5120), (2560, 4948)]