25215850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 54425088

約数和(自身を除く): 29209238

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 127, 190, 209, 254, 275, 361, 418, 475, 550, 635, 722, 950, 1045, 1270, 1397, 1805, 2090, 2413, 2794, 3175, 3610, 3971, 4826, 5225, 6350, 6985, 7942, 9025, 10450, 12065, 13970, 18050, 19855, 24130, 26543, 34925, 39710, 45847, 53086, 60325, 69850, 91694, 99275, 120650, 132715, 198550, 229235, 265430, 458470, 504317, 663575, 1008634, 1146175, 1327150, 2292350, 2521585, 5043170, 12607925, 25215850]

約数ペア:

[(1, 25215850), (2, 12607925), (5, 5043170), (10, 2521585), (11, 2292350), (19, 1327150), (22, 1146175), (25, 1008634), (38, 663575), (50, 504317), (55, 458470), (95, 265430), (110, 229235), (127, 198550), (190, 132715), (209, 120650), (254, 99275), (275, 91694), (361, 69850), (418, 60325), (475, 53086), (550, 45847), (635, 39710), (722, 34925), (950, 26543), (1045, 24130), (1270, 19855), (1397, 18050), (1805, 13970), (2090, 12065), (2413, 10450), (2794, 9025), (3175, 7942), (3610, 6985), (3971, 6350), (4826, 5225)]