20149590425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{31253}}^1$

素因数の和:31358

約数の個数: 48

約数和(自身を含む): 27833812272

約数和(自身を除く): 7684221847

約数列:

[1, 5, 17, 25, 37, 41, 85, 185, 205, 425, 629, 697, 925, 1025, 1517, 3145, 3485, 7585, 15725, 17425, 25789, 31253, 37925, 128945, 156265, 531301, 644725, 781325, 1156361, 1281373, 2656505, 5781805, 6406865, 13282525, 19658137, 21783341, 28909025, 32034325, 47410801, 98290685, 108916705, 237054005, 491453425, 544583525, 805983617, 1185270025, 4029918085, 20149590425]

約数ペア:

[(1, 20149590425), (5, 4029918085), (17, 1185270025), (25, 805983617), (37, 544583525), (41, 491453425), (85, 237054005), (185, 108916705), (205, 98290685), (425, 47410801), (629, 32034325), (697, 28909025), (925, 21783341), (1025, 19658137), (1517, 13282525), (3145, 6406865), (3485, 5781805), (7585, 2656505), (15725, 1281373), (17425, 1156361), (25789, 781325), (31253, 644725), (37925, 531301), (128945, 156265)]