13391360

素因数分解:

$2^9\times 5^1\times {\mathrm{5231}}^1$

素因数の和:5254

約数の個数: 40

約数和(自身を含む): 32114016

約数和(自身を除く): 18722656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5231, 10462, 20924, 26155, 41848, 52310, 83696, 104620, 167392, 209240, 334784, 418480, 669568, 836960, 1339136, 1673920, 2678272, 3347840, 6695680, 13391360]

約数ペア:

[(1, 13391360), (2, 6695680), (4, 3347840), (5, 2678272), (8, 1673920), (10, 1339136), (16, 836960), (20, 669568), (32, 418480), (40, 334784), (64, 209240), (80, 167392), (128, 104620), (160, 83696), (256, 52310), (320, 41848), (512, 26155), (640, 20924), (1280, 10462), (2560, 5231)]