25323580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 31285700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 647, 1030, 1294, 1957, 2060, 2588, 3235, 3914, 6470, 7828, 9785, 12293, 12940, 19570, 24586, 39140, 49172, 61465, 66641, 122930, 133282, 245860, 266564, 333205, 666410, 1266179, 1332820, 2532358, 5064716, 6330895, 12661790, 25323580]

約数ペア:

[(1, 25323580), (2, 12661790), (4, 6330895), (5, 5064716), (10, 2532358), (19, 1332820), (20, 1266179), (38, 666410), (76, 333205), (95, 266564), (103, 245860), (190, 133282), (206, 122930), (380, 66641), (412, 61465), (515, 49172), (647, 39140), (1030, 24586), (1294, 19570), (1957, 12940), (2060, 12293), (2588, 9785), (3235, 7828), (3914, 6470)]