13040000

素因数分解:

$2^7\times 5^4\times {\mathrm{163}}^1$

素因数の和:197

約数の個数: 80

約数和(自身を含む): 32661420

約数和(自身を除く): 19621420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 163, 200, 250, 320, 326, 400, 500, 625, 640, 652, 800, 815, 1000, 1250, 1304, 1600, 1630, 2000, 2500, 2608, 3200, 3260, 4000, 4075, 5000, 5216, 6520, 8000, 8150, 10000, 10432, 13040, 16000, 16300, 20000, 20375, 20864, 26080, 32600, 40000, 40750, 52160, 65200, 80000, 81500, 101875, 104320, 130400, 163000, 203750, 260800, 326000, 407500, 521600, 652000, 815000, 1304000, 1630000, 2608000, 3260000, 6520000, 13040000]

約数ペア:

[(1, 13040000), (2, 6520000), (4, 3260000), (5, 2608000), (8, 1630000), (10, 1304000), (16, 815000), (20, 652000), (25, 521600), (32, 407500), (40, 326000), (50, 260800), (64, 203750), (80, 163000), (100, 130400), (125, 104320), (128, 101875), (160, 81500), (163, 80000), (200, 65200), (250, 52160), (320, 40750), (326, 40000), (400, 32600), (500, 26080), (625, 20864), (640, 20375), (652, 20000), (800, 16300), (815, 16000), (1000, 13040), (1250, 10432), (1304, 10000), (1600, 8150), (1630, 8000), (2000, 6520), (2500, 5216), (2608, 5000), (3200, 4075), (3260, 4000)]