8189120

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 56

約数和(自身を含む): 19744944

約数和(自身を除く): 11555824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 163, 314, 320, 326, 628, 652, 785, 815, 1256, 1304, 1570, 1630, 2512, 2608, 3140, 3260, 5024, 5216, 6280, 6520, 10048, 10432, 12560, 13040, 25120, 25591, 26080, 50240, 51182, 52160, 102364, 127955, 204728, 255910, 409456, 511820, 818912, 1023640, 1637824, 2047280, 4094560, 8189120]

約数ペア:

[(1, 8189120), (2, 4094560), (4, 2047280), (5, 1637824), (8, 1023640), (10, 818912), (16, 511820), (20, 409456), (32, 255910), (40, 204728), (64, 127955), (80, 102364), (157, 52160), (160, 51182), (163, 50240), (314, 26080), (320, 25591), (326, 25120), (628, 13040), (652, 12560), (785, 10432), (815, 10048), (1256, 6520), (1304, 6280), (1570, 5216), (1630, 5024), (2512, 3260), (2608, 3140)]