31911200

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 78815268

約数和(自身を除く): 46904068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 353, 400, 452, 565, 706, 800, 904, 1130, 1412, 1765, 1808, 2260, 2824, 2825, 3530, 3616, 4520, 5648, 5650, 7060, 8825, 9040, 11296, 11300, 14120, 17650, 18080, 22600, 28240, 35300, 39889, 45200, 56480, 70600, 79778, 90400, 141200, 159556, 199445, 282400, 319112, 398890, 638224, 797780, 997225, 1276448, 1595560, 1994450, 3191120, 3988900, 6382240, 7977800, 15955600, 31911200]

約数ペア:

[(1, 31911200), (2, 15955600), (4, 7977800), (5, 6382240), (8, 3988900), (10, 3191120), (16, 1994450), (20, 1595560), (25, 1276448), (32, 997225), (40, 797780), (50, 638224), (80, 398890), (100, 319112), (113, 282400), (160, 199445), (200, 159556), (226, 141200), (353, 90400), (400, 79778), (452, 70600), (565, 56480), (706, 45200), (800, 39889), (904, 35300), (1130, 28240), (1412, 22600), (1765, 18080), (1808, 17650), (2260, 14120), (2824, 11300), (2825, 11296), (3530, 9040), (3616, 8825), (4520, 7060), (5648, 5650)]